Composite volcanoes or the stratovolcanoes most often happen to produce lavas which are basically silica-rich and also posses high viscosities whereas the shield volcanoes produce basaltic lavas having low viscosities.
The correct option is option 4.
Composite volcanoes which are also known as the stratovolcano are large volcanoes composed of pyroclastic deposits, lava flows, as well as the mudflow or the lahar deposits. Composite volcanoes erupt periodically and are found to be active over long periods. They produce silicate rich lava having high viscosity.
Shield volcanoes are broad volcanoes which are big in size and are having shallow inclining sides. Most of the shield volcanoes get formed from the fluid, basaltic lava flows which possess low viscosity.
Hence, the correct option is 4.
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name three countries located in the sahel region.
Answer:
Burkina Faso, Cameroon, Chad, The Gambia, Guinea Mauritania, Mali, Niger, Nigeria and Senegal.
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:
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:
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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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 has been used to determine the age of earth and other objects in the solar system?
The process of radiometric dating is used to determine the age of the earth and other objects in the solar system.
The process of radioactive dating the decay, or breakdown, of radioactive elements. Radiometric dating looks at the proportion of two different isotopes in a sample. Radioactive isotopes break down in a predictable amount of time, enabling geologists to determine the age of a sample using equipment like this thermal ionization mass spectrometer. The data determined is correct and is assured. The ages of Earth and Moon rocks and of meteorites are measured by the decay of long-lived radioactive of such isotopes.
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soil with the greatest porosity has particles that are
Soil with the greatest porosity basically consists of particles which are loosely packed and are well sorted.
The pore space of a soil is basically defined as the portion of the soil volume which is occupied by air as well as water. These pore-spaces directly control the amount of water as well as air which is present in the soil and indirectly happens to influence the plant growth and also the crop production.
The soil porosity is affected by the size of the soil particles and also the packing of those particles. The soil which has the greatest porosity is going to have articles that are well sorted and are loosely packed.
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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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Where was the coldest temperature recorded in the United States?
Answer:
Explanation:
Prospect creek in alaska
What is the true age of the Earth?
Answer:
4.54 billion years old
Explanation:
The idea that a person’s dominant hemisphere influences their creativity or ability to think logically is:__________
The idea that a person’s dominant hemisphere influences their creativity or ability to think logically is: a popular myth about lateralization. option d)
As a result, a hemisphere is a 3D geometric object consisting of one half of a sphere, one of which is flat and the other of which has the shape of a bowl. The northern and southern hemispheres, a bowl, mushrooms, and other objects are some of the most typical instances of hemispheres.
The term "hemisphere" is derived from Greek and combines the word hemi-, which means "half," and sphere, which means "completely round ball." The northern and southern hemispheres of the globe are described as being separated at the equator (or divided at the prime meridian into eastern and western hemispheres).
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Full Question: The idea that a person's dominant hemisphere influences their creativity or ability to think logically is ?
a. important for teachers to consider when working with children who have learning disabilities.
b. supported by the evidence that most left-handed individuals are employed as artists or musicians.
C. supported by the research findings on split-brain operations.
d. a popular myth about lateralization.
when a society gets the most it can from its scarce resources is called?
When a society gets the most it can from its scarce resources, it is referred to as achieving allocative efficiency. This means that the society has allocated its resources in the most optimal way to produce the maximum output of goods and services given the available resources and technology.
Allocative efficiency is achieved when the marginal benefit of producing one more unit of a good or service equals its marginal cost. This ensures that resources are being used efficiently and that the society is producing the goods and services that are most valued by its members.
However, achieving allocative efficiency does not necessarily mean that a society is producing the maximum possible amount of goods and services. This is because there may be other factors, such as technological constraints or social considerations, that prevent the society from fully utilizing its resources to their maximum potential.
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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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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.
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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how did the finding of biosphere 2 in the Arizona desert experiment influence the view of environmental management
The finding of Biosphere 2 in the Arizona desert experiment had a major influence on the view of environmental management.
It demonstrated that it was possible to successfully create and sustain a closed, self-regulating environment with a complex web of interdependent life forms. This provided a model for environmental management that showed that humans could work with nature to create a sustainable future.
The experiment also showed that the earth's biosphere is a complex and fragile system and that any major changes to it could have drastic impacts. This led to a greater understanding of the need to manage the environment in a sustainable way.
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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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Who can see a total solar eclipse when the moon's umbra crosses the Earth?
a) Everyone at the same time
b) Everyone over a period of 7 ½ minutes c) Only those covered by the umbra
Out of the given choices of alternatives, it may be said that only those covered by the umbra of the moon are able to see the solar eclipse when the moon's umbra crosses the Earth. Therefore, the option C holds true.
The Solar Eclipse can be taken into general understanding as the condition that occurs when the sun, moon, and the earth fall in the straight line. A solar eclipse takes place once every few years, and very few people are on the planet are able to experience it. It occurs when the moon's umbra crosses the earth, and thus, only those who are under its cover are able to see a total solar eclipse.
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Under which condition will pressure altitude be equal to true altitude?
Although it is uncommon, if the local barometric pressure is 29.92, then the indicated or real altitude and pressure altitude can be the same.
This is the reason that all aeroplanes operating in the United States and Canada must have an altimeter set to the same value of 29.92 in Hg, which is 18,000 feet above mean sea level. Because of this, even though the levels of the land and the sea are continually changing, they may maintain the same flying levels. The same way that pressure influences your true altitude, temperature does too. Temperature extremes will cause your displayed height to be inaccurate, which will have an impact on your estimations of true altitude. Your true altitude can be lower than what is reported if it is colder outside. Your genuine altitude is more likely to be lower the colder it is.
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What is the 3rd quarter of the Moon?
Answer:
Half Moon
Explanation:
Third Quarter: The Third Quarter, or Half Moon, is the seventh phase in the cycle of phases. This Moon phase occurs once a month, rising around 12 AM, and setting around 12 PM, almost instantaneously becoming a Waning Crescent.
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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why does the northeast region of india have the largest population?
Answer:
The high rate of increase is primarily due to the influx of the immigrants from inside and outside of India in different places of North East India.
Explanation:
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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yosemite national park in california is primarily composed of granitic material, and rockfalls occur frequently. what type of weathering would most likely cause the rock falls in yosemite?
Answer:
Exfoliation
Explanation:
Exfoliation is a form of mechanical weathering in which curved plates of rock are stripped from rock below. This results in exfoliation domes or dome-like hills and rounded boulders. Exfoliation domes occur along planes of parting called joints, which are curved more or less parallel to the surface. This would likely cause rock falls to occur frequently.
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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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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scientists warn that rising co2 levels will have what effect on the earth?
Answer:
Higher temperatures in the atmosphere
Explanation:
Rising carbon dioxide can heat up the atmosphere, thus melting ice and affecting a lot of things environmentally.
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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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
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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