Option (c) is correct. The force of gravity that an object is directly proportional to its mass. This is according to the Newton's universal law of gravitation.
According to the Newton's universal law of gravitation, the force of gravity is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers of mass. Newton's law of universal gravitation can be explained as that every particle attracts every other particle in the universe with a force that is proportional to the product of their masses and inversely proportional to the square of the distance between their centers. This law is stated as that every particle attracts every other particle in the universe with a force that is proportional to the product of their masses and inversely proportional to the square of the distance between their centers.
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Which airport is located at approximately 47°34'30"N latitude and 100°43'00"W longitude?
A. Linrud
B. Makeeff
C. Johnson
Option C: Johnson Airport is situated at around 47°34'30" N latitude and 100°43'00" W longitude.
North Dakota's McLean County is home to Johnson Airport, a public-use airport. Located at a height of 2,270 feet above sea level, it is a tiny airfield with a single 2,600-foot-long, 60-foot-wide runway.
The general aviation airfield is situated in a rural location and is surrounded by farms. Wilton, located about 12 miles to the west, is the closest community. The Johnson family provided the property for the airport in the 1940s, hence the airport is named in their honor.
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Transcribed image text: Based on what you know about light and matter interactions, select all of the correct statements from the following list. a Absorption spectra have bright lines. Low-density hot gases produce emission spectra. Emission spectra have dark lines. 2 The size of an electron's orbit depends on its energy Atoms absorb energy by emisting photons. a Electrons will move to higher orbits when an atom absorbs enough energy a Hot solids emit continuous spectra.
Low density hot gases produces emission spectra, the size of an electrons orbits depends on its energy, electrons will moves higher orbits when an atom absorbs enough energy and hot solid emits continuous spectra are true about light and matter interactions. So the option b, d, f and g is correct options.
Light and matter interact in a variety of ways. Light can be reflected, refracted, or absorbed by matter. Reflection happens when light bounces off of a surface and is returned in the same direction, with the same angle and frequency.
Refraction occurs when light passes through a material, like glass, and changes direction. Absorption occurs when light is absorbed by particles, converting the energy of the light into heat. In addition, light can cause matter to emit light, such as in fluorescence. So the option b, d, f and g is correct options.
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The complete question is:
Based on what you know about light and matter interactions, select all of the correct statements from the following list.
a. a Absorption spectra have bright lines.
b. Low-density hot gases produce emission spectra.
c. Emission spectra have dark lines.
d. The size of an electron's orbit depends on its energy
e. Atoms absorb energy by emitting photons.
f. Electrons will move to higher orbits when an atom absorbs enough energy
g. Hot solids emit continuous spectra.
which state has the most lightning-related deaths?
Florida is considered as the lightening capital of the country where most deaths occurs related to lightning with more than 2,000 lightning injuries over the past 50 years.
The lightning affects all regions in the United States. The Southeastern states of united states are most at risk. Lightning normally decreases from the southeast to the northwest except for a few places such as the Rocky Mountains where thunderstorms occur regularly during the summer. The states like Florida, Texas, Colorado, North Carolina, Alabama, Arizona, Georgia, Missouri, New Jersey, and Pennsylvania have the most lightning deaths and injuries. Among these states Florida is considered the “lightning capital” of the country with more than 2,000 lightning injuries over the past 50 years. About 40 million lightning strikes in the Florida hit the ground in the United States each year.
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What is central daylight time in Chicago?
Chicago utilizes Daylight Saving Time, starting March 14 and ending November 7, 2021.
Indeed, living in Chicago is a beautiful experience. But, you must first determine the time in order to establish travel and outdoor activity plans. Since there are multiple time zones in the US, your hometown's time zone may not be the same as Chicago's. Also, not all states observe Daylight Saving Time.
Who is in the middle of the day?
It comprises Central America, the Caribbean Islands, and a portion of the Eastern Pacific Ocean in addition to running through the central regions of Canada, the United States, and the majority of Mexico. This time zone is actually known as the Central Daylight Saving Time Zone, or CDST, in the United States and Canada.
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Some scientists think that Yellowstone could cause a future disaster because? A)the area is part of a caldera.B)scientists think that magma is still present at depth.C)past eruptions from Yellowstone carried ash over a huge area of western North America.D)land near Yellowstone is uplifting in some places and subsiding in others.E)All of these choices are correct
Answer:
E) All of these choices are correct.
Yellowstone is an active volcanic system located in the western United States and is capable of causing a future disaster due to several factors, including:
A) The area is part of a caldera: Yellowstone sits on top of a volcanic caldera, which is a large depression in the Earth's crust formed by a collapsed magma chamber. This caldera is a clear indication that the area has had significant volcanic activity in the past and could potentially experience future eruptions.
B) Scientists think that magma is still present at depth: While there is currently no active eruption at Yellowstone, scientists believe that there is still a significant amount of magma beneath the surface. This magma could potentially cause future eruptions or other volcanic activity.
C) Past eruptions from Yellowstone carried ash over a huge area of western North America: The most recent eruption at Yellowstone occurred approximately 640,000 years ago, and it was a massive event that covered a large area with ash and other volcanic materials. Future eruptions could potentially have similar effects, which could have serious consequences for people and wildlife in the surrounding area.
D) Land near Yellowstone is uplifting in some places and subsiding in others: The land around Yellowstone is constantly changing, with some areas experiencing uplift and others subsiding. This indicates ongoing geologic activity and could potentially lead to earthquakes, landslides, and other hazards.
Taken together, these factors highlight the potential for future disasters related to Yellowstone and the need for ongoing monitoring and research to better understand the risks and potential impacts.
Explanation:
How do prevailing winds affect ocean currents?
Prevailing winds affect ocean currents by driving the movement of surface water in the ocean.
When surface water moves in response to winds, it can create a domino effect that causes deeper water to move as well. This movement of water can be caused by a variety of factors, such as differences in water temperature or salinity.In addition to driving the movement of water, prevailing winds can also affect the upwelling and downwelling of water in the ocean.Upwelling occurs when winds blow surface water away from a coastline, allowing deeper, nutrient-rich water to rise to the surface. This can support the growth of phytoplankton and other marine organisms.Downwelling, on the other hand, occurs when surface water sinks and is replaced by deeper water. This can occur when winds blow surface water towards a coastline or when surface water becomes denser due to changes in temperature or salinity.
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What is the true age of the Earth?
Answer:
4.54 billion years old
Explanation:
what is the primary cause of acid precipitation in the northeastern united states?
"The primary cause of acid precipitation in the northeastern United States is burning of sulfur-containing fossil fuels to produce electricity."
The areas of great-est acidity (low-est pH values) are located in the Northeastern United States. This pat-tern of high acidity is caused by the large num-ber of cities, the dense population, and the concent-ration of power and indus-trial plants in the North-east. Most of the acidic and acid-sensitive sur-face waters in New York State are located in the Adiron-dack and Cat-skill regions.
Acid rain is one of the conseq-uences of air poll-ution. Gases pro-duced from the burn-ing of fuels react with the oxy-gen in the air and water vapor, trans-forming into acids that fall onto the earth's sur-face as rain.
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what is dangerous in all weather conditions but especially in the winter?
Black ice is dangerous in any weather condition, but especially in the winter.
Black ice is a thin, translucent coating of ice that develops on roads and other surfaces. Since it blends in with the color of the pavement, it is difficult to spot.
It is particularly dangerous since it is typically unexpected and can cause automobiles and pedestrians to lose traction and slip, resulting in accidents and injuries.
As the temperature falls below freezing, black ice can form on any surface, but it is particularly frequent on bridges, overpasses, and other raised structures where cold air can flow around both sides of the surface.
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in most of the italian city-states, the social class with the most power and authority was the ....
In most of the Italian city-states, the social class with the most power and authority were the wealthiest people.
Italian city-states be-came so wealthy beca-use they could pay for painters, sculpt-ors, and architects to gene-rate new works. Thus, trade gave the city-states a new status. An exam-ple of this is Venice, which was considered the most power-ful city-state in Italy because it special-ized in shipping. In this way, it could take control over the differ-ent trade routes through the Mediterranean Sea.
An-other Italian city-states during the 11th cent-ury were: Milan, Florence, Genoa, Pisa, Lucca, Crem-ona, Siena, Città di Castello and Per-ugia.
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the main way new oceanic crust is created is by multiple choice sediment scraped off a subducting slab. continents that subside below sea level. continental rifting, before the continents separate. magmas along an ocean-continent convergent boundary. eruption of lavas and solidification of magmas at depth.
The main way new oceanic crust is created is by eruption of lavas and solidification of magmas at depth.
How is new oceanic crust is createdThe main way new oceanic crust is created is by magmas along an ocean-continent convergent boundary. At these boundaries, magma rises up from the mantle and solidifies to form new oceanic crust. The other options listed do not involve the creation of new oceanic crust, but rather the modification or destruction of existing crust. Sediment scraped off a subducting slab may be incorporated into the overriding plate, but it does not create new oceanic crust.
Continents that subside below sea level and continental rifting both involve the modification of existing crust, but not the creation of new oceanic crust. The eruption of lavas and solidification of magmas at depth may result in the formation of new crust, but only in certain tectonic settings such as at divergent boundaries.
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Answer:
eruption of lavas and solidification of magmas at depth.
Explanation:
what drives plate tectonics? heavy rocks sink light rocks rise.
The principle underlying plate tectonics is oversimplified by the adage "heavy rocks sink, light rocks rise. "Plate tectonics is mostly driven by mantle convection.
It is the process of heat transfer through the movement of material in the Earth's mantle, although changes in rock density can also be a factor.
The tectonic plates move and interact with one another at their boundaries because the heat from the Earth's core drives the mantle material to move in a continuous cycle of rising, cooling, and sinking.
Many geologic events, including earthquakes, volcanic eruptions, and the creation of mountain ranges, can result from the interaction of the plates.
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Some constellations are more prominent in the night sky of North Carolina in winter, while other constellations are more prominent in the night sky in summer. Which best explains why this occurs?
because of the Earth's rotation on its axis
because of the stars revolving around the Earth
because of the Earth revolving around the sun
because of the change in the barycenter of the Earth
The Earth's rotation around the Sun is the most likely cause of why some constellations in North Carolina's night sky are more conspicuous in the winter and other constellations are more conspicuous in the summer.
The Earth's position in relation to the sky's constellations shifts as it revolves around the Sun. The night sky changes throughout the year as a result, making many constellations visible at various times. As an illustration, the Earth's orbital position in North Carolina causes constellations like Orion and Taurus to be more conspicuous in the night sky during the winter, while Scorpius and Sagittarius are more noticeable during the summer. Constellations appear to move across the sky at different times throughout the night due to the Earth's rotation on its axis, which also affects visibility of these objects.
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Why did Alfred Wegener never get the support of the scientific community for his hypothesis of continental drift during his lifetime? Select the best answer.
a. gps had not been invented yet to show movement
b. he could not disprove the idea of land bridges
c. it is difficult to change peoples minds
d. he could not provide a mechanism for how continents moved
e. he had no evidence for his idea
The ideal response is d. Alfred Wegener was unable to give out a mechanism of how the continents actually moved.
Early in the 20th century, Wegener introduced the hypothesis of continental drift, which postulated that perhaps the continents were previously connected to create one supercontinent and had gradually drifted away. He was unable to articulate how or exactly why the continents migrated, though. The scientific world was hesitant to embrace his notion since there wasn't a workable mechanism to account for the movement. A second reason for mistrust was Wegener's lack of corroborating data and failure to disprove the then-dominant theory of land bridges.
The scientific world did not begin to embrace Wegener's idea widely until the 1960s, when plate tectonics was discovered.
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The highest wind speeds of any weather phenomenon occur in ________________.
A)tornadoes
B)hurricanes
C)typhoons
D)cyclones
E)derechos
Answer: A) tornadoes
Explanation: i don't have a good explanation but logically tornadoes are winds spinning in a "circle"/"loop", but I'm not 100% sure :) hope it helps
the sun angle is at its highest here in central pa at what time on december 21?
In the Northern Hemisphere, including Central Pennsylvania, the sun angle is at its lowest on December 21, the winter solstice. Shorter days and longer nights are caused by the Earth's axis' tilt away from the sun.
However, it would depend on your precise location within the region if you were requesting the time of day on December 21 when the sun will be at its highest point (solar noon) in Central Pennsylvania. Solar noon usually occurs around 12:00 p.m. local standard time, but depending on your longitude within the time zone, it may vary slightly.
To determine the precise time of solar noon for your location, you can use an online solar calculator, such as the one offered by the U.S. Naval Observatory.
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which of these is an element commonly found in solid form within earth’s crust?
There are many elements that are commonly found in solid form within Earth's crust, but one of the most abundant is silicon. Silicon is a chemical element with the symbol Si and atomic number 14.
It is a metalloid and is the second most abundant element in Earth's crust, making up around 28% of its mass by weight. Silicon is found in a wide variety of minerals, including quartz, feldspar, mica, and clay, and is an essential component of many rocks and soils. It is also widely used in technology, particularly in the semiconductor industry, where it is used to make computer chips and other electronic devices. Other common elements found in solid form within Earth's crust include aluminum, iron, calcium, sodium, and potassium, among others.
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The dot plot represents the scores of a group of students on an English test if the dot plot is converted to a box plot the first quartile would be drawn at (2, 3, 4, 5) and the median would be drawn at (2, 3, 4, 5)
The first quartile of a box plot, also known as Q1, is drawn at the 25th percentile of the data set.
The median, also known as Q2, is drawn at the 50th percentile of the data set. In the case of the dot plot representing the scores of a group of students on an English test, we would need to find the 25th and 50th percentile of the data set to determine where the first quartile and median would be drawn on a box plot.
To find the 25th percentile, we would multiply the total number of data points by 0.25. Similarly, to find the 50th percentile, we would multiply the total number of data points by 0.50. We would then use these values to determine the corresponding scores on the dot plot.
Without the actual data set or dot plot, it is not possible to accurately determine the first quartile and median of the box plot. Therefore, we cannot accurately answer which values the first quartile and median would be drawn at on a box plot.
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What causes stratospheric ozone depletion and why should it be addressed?
The primary contributors to stratospheric ozone depletion and the ozone hole are synthetic chemicals, particularly halocarbon refrigerants, solvents, propellants, and foam-blowing agents (chlorofluorocarbons), HCFCs.
A combination of anthropogenic emissions of ozone-depleting compounds, steady circulation patterns, extremely cold temperatures, and solar radiation are to blame for the catastrophic ozone depletion in polar areas.
A global agreement known as the Montreal Protocol was made in 1987 to safeguard the stratospheric ozone layer by gradually banning the manufacture and use of chemicals that deplete the ozone layer (ODS). Invest in cooling and refrigeration equipment that doesn't utilise HCFCs as a refrigerant. Purchase aerosols that don't include HCFCs or CFCs as propellants. Refrigeration and air-conditioning equipment should be regularly inspected and maintained to avoid.
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about 2,000 years ago, the world had around 300 million people; by 1800, global population had reached __________.
By 1800, global population had reached approximately 1 billion.
The global population is estimated to have been around 300 million people around 2,000 years ago, during the time of the Roman Empire and Han dynasty in China. However, population growth was slow and steady for most of human history, and it took until the early 19th century for the world's population to reach 1 billion.
The Industrial Revolution in Europe, which began in the late 18th century, led to significant advancements in agriculture, medicine, and technology, allowing for increased food production and better healthcare. This, in turn, led to a rapid increase in global population, as people were living longer and healthier lives and having more children.
By the mid-20th century, the world's population had reached 2.5 billion, and it continued to grow at an even faster rate due to the Green Revolution, which introduced new high-yield crops and fertilizers to developing countries, and improvements in transportation and communication, which allowed for easier access to resources and information.
Today, the global population is estimated to be over 7.9 billion, and it is projected to reach 9.7 billion by 2050. This rapid population growth has led to many environmental and social challenges, including resource depletion, pollution, and poverty, which continue to be major issues facing our world today.
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Where was the coldest temperature recorded in the United States?
Answer:
Explanation:
Prospect creek in alaska
What are 5 push and pull factors?
Answer
War, political unrest, starvation, and drought are a few examples of push causes.
Political stability, a large number of jobs, abundant natural resources, superior educational institutions, and a better environment are a few examples of pull factors.
name three countries located in the sahel region.
Answer:
Burkina Faso, Cameroon, Chad, The Gambia, Guinea Mauritania, Mali, Niger, Nigeria and Senegal.
Rank the following objects in order of their circular speeds from smallest to largest. a. An object with a mass of 20 kg. orbiting the Earth one-quarter of the way to the Moon b. An object with a mass of 15 kg. orbiting Earth at the same distance as the Moon An object with a mass of 5 kg, orbiting c. Earth halfway to the Moon An object with a mass of 10 kg. orbiting Earth just above Earth's surface Largest
The Moon has a mass of about 8.1 x 1019 masses (7.3 x 1022 kg or.01 times the mass of the Earth).
The following objects are in order from smallest to largest - c) Earth halfway to the Moon An object with a mass of 10 kg. orbiting Earth just above Earth's surface Largest. a) An object with a mass of 20 kg. orbiting the Earth one-quarter of the way to the Moon. b) An object with a mass of 15 kg. orbiting Earth at the same distance as the Moon An object with a mass of 5 kg, orbiting
]The moon's mass is 7.35 x 1022 kg or 1.2% of the mass of the Earth. To put it another way, the Earth weighs 81 times more than the moon. The moon's density is 3.34 grams per cubic centimeter (g/cm3). Its density is roughly 60% of that of the planet Earth. The Sun contains around 27 million times more matter than the Moon. This gravitational interaction causes the Earth to orbit the Sun, while the Moon's small pull only minimally alters the Earth's speed.
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What explains the large percentage of South Asians along Guyana's coast?
answer choices
legacy of indentured servitude under nineteenth century British rule
legacy of U.S. involvement in Indochina in the 1950s-1970s
legacy of Soviet involvement in Afghanistan in the 1970s
legacy of U.S. involvement in South Asia
legacy of Japanese Empire expansion through Southeast Asia
The legacy of indentured servitude under nineteenth century British rule explains the large percentage of South Asians along Guyana's coast.
Hence, the correct option is A.
After the abolition of slavery people opposed forced labor and lower wages in the British colonies of west indies, these Indentured labor were recruited to work on sugar, cotton, rail construction and tea plantations projects in British colonies in West Indies, Africa and South East Asia. The labors were recruited from India, China and other pacific countries on contract basis for a term of 5 years. Guyana, is a country situated in northern mainland of South America where many South Asians were relocated to work in these industries. That is why a large percentage of South Asians along Guyana's coast.
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What is the scale of the universe 2?
Answer:
The Scale of the Universe 2 is an educational game in which you are shown the sizes of different things in our universe in relation to other different things. Slide your way into the largest objects that our universe has to offer, or into the smallest things that exist in our known universe
What region largely responsible for the weather experienced at the Earth's surface?a. Troposphere
b. Exosphere
c. Coal
d. Stratosphere
The region largely responsible for the weather experienced at the Earth's surface is the troposphere.
The troposphere is the lowest layer of the Earth's atmosphere, extending from the Earth's surface up to an altitude of about 7-20 kilometers.It is a turbulent layer where most weather phenomena occur, including clouds, precipitation, thunderstorms, and winds.The temperature in the troposphere generally decreases with altitude, and this creates instability and convection that drive the formation of clouds and storms.The water cycle is also largely driven by the troposphere, as water vapor in the lower atmosphere evaporates from the Earth's surface and rises into the cooler upper atmosphere, where it condenses into clouds and falls back to the surface as precipitation.The troposphere also plays a crucial role in regulating the Earth's climate by absorbing and emitting energy from the sun and the Earth's surface.
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which are true of the modified mercalli intensity scale?
A measure of an earthquake's intensity based on how it affects the ground and built-up areas is known as the Modified Mercalli Intensity (MMI) Scale. The MMI scale has a number of traits, including some of the following:
I is the least intense and XII is the most intense on the MMI scale, which runs from I to XII.
The scale is determined by the magnitude of the earthquake as well as its observed effects, including shaking, structural damage to buildings and other structures, and human and animal responses to the earthquake.
Because the MMI scale is subjective, it is dependent on the observations and impressions of those who actually experience the earthquake. The magnitude of the earthquake may be perceived differently by various individuals in the same place.
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What do you mean by modified mercalli intensity scale?
Answer: The scale rates an earthquake according to how much damage it causes.
Explanation:
Which factor determines whether there will be precipitation? answer choices
A.water vapor
B.location
C.elevation
D.cloud cover
Answer:
A is the correct answer
Explanation:
Based on what you know about light and matter interactions, select all of the correct statements from the following list. a Absorption spectra have bright lines. Low-density hot gases produce emission spectra. Emission spectra have dark lines. 2 The size of an electron's orbit depends on its energy Atoms absorb energy by emisting photons. a Electrons will move to higher orbits when an atom absorbs enough energy a Hot solids emit continuous spectra.
Based on light and matter interactions,Correct statements from the list are: Low-density hot gases produce emission spectra.
Electrons will move to higher orbits when an atom absorbs enough energy.
Hot solids emit continuous spectra.
An absorption spectrum is characterized by dark lines, which are caused by the absorption of specific wavelengths of light by the atoms or molecules in a sample.Low-density hot gases produce emission spectra, which are characterized by bright lines or bands of specific wavelengths. These lines are caused by the emission of photons when excited electrons in the atoms or molecules fall back to lower energy levels.The statement "Emission spectra have dark lines" is incorrect, as emission spectra have bright lines or bands.The size of an electron's orbit around an atom's nucleus is determined by its energy level. Electrons in higher energy levels have larger orbits than those in lower energy levels.The statement "Atoms absorb energy by emisting photons" contains a typographical error; it should read "Atoms absorb energy by emitting photons."Hot solids emit continuous spectra, which consist of a broad range of wavelengths with no gaps or lines. This emission is caused by the thermal motion of atoms or molecules in the solid, which causes them to emit radiation at a wide range of frequencies.
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