Answer:
Natural disasters are caused due to different reasons like soil erosion, seismic activity, tectonic movements, air pressure, and ocean currents etc. Natural activities taking place in the earth's crust, as well as surface, are the main reasons for these disasters.
We are running out of water due to change in climate conditions like floods, droughts, sea level rising.
Reasons of water running out:Drought- The world’s changing climate has been linked to an increased incidence of droughts that results in increase demand of water supply.Sea level rising- Rising sea level increases the salinity of both surface water and ground water through salt water intrusion.Increasing population-About 70% of the world’s freshwater consumption is for agriculture and food demand is rising. The global population is increasing, which will increase global food demand and this will increase the water required for food production.you can learn more about this water changes here:
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How are tumor cells different from normal cells?
O A. Mitosis does not happen in tumor cells.
O B. Cell division is not regulated in tumor cells.
O C. Tumor cells do not contain chromosomes.
O D. Tumor cells have a cell wall instead of a membrane.
Answer:
B. Cell division is not regulated in tumor cells.
Explanation:
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Why does the DNA move through the gel when an electrical current is generated?
Answer:
DNA is negatively charged, therefore, when an electric current is applied to the gel, DNA will migrate towards the positively charged electrode. Shorter strands of DNA move more quickly through the gel than longer strands resulting in the fragments being arranged in order of size.
Explanation:
2) The motion of the Earth is modeled here as it moves on its axis and around the Sun Which of these statements correctly identifies how the illustration supports the concepts of seasons on Earth? Select
ALL that apply
A) The tilt of the Earth is responsible for the seasons
B) The rotation of the Earth is responsible for the seasons
C) The proximity of the Earth to the Sun is responsible for the seasons
D) The revolution of the Earth around the sun is responsible for the seasons
E) The intensity of the sunlight on Earth is different as the Earth revolves around the sun
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Obliquity or tilt is the inclination angle of the Earth's axis. It is responsible for seasonal changes. The correct option is A) The tilt of the Earth is responsible for the seasons.
What is the Earth's obliquity -tilt-?The term obliquity or tilt refers to the inclination of the axis of the Earth. The plane in which the Earth orbits around the sun is not orthogonal to the Earth’s axis of rotation. The axis has an inclination angle called ecliptic obliquity.
Obliquity is a determinant of seasons' existence. Thanks to this inclination in the axis of the Earth there are seasons. If tilt would equal cero, there would not be any season or temperature change in different regions of the Earth. So tilt becomes a significant factor, especially for high latitude areas.
Obliquity is one of the three Milankovitch cycles, together with precession and eccentricity. These are used to explain natural climatic changes through the history of the Earth.
The correct option is A). The tilt of the Earth is responsible for the seasons.
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Answer:
the answer is A
Explanation: Reason being because only the tilt is responsible for the seasons.
Which of the following can lead to coral bleaching?
a.long-term temperature variations
b. increased solar radiation
c.freshwater dilution
d. all of the above
cu o 0
Answer:
increased solar radiation
Explanation:
during summer the solar radiation can increase the bleaching of shallow living corals as tides gets lower the solar radiation increases
Try again. Your carrying capacity line should be a horizontal flat line because it represents a
single number. It should intersect the y-axis at the highest population of bacteria the petri
dish can support.
Draw a line to estimate the carrying capacity of the petri dish. To draw a line, click two points
on the graph. Afterwards, drag and drop your two points to edit your line. The coordinates for the
two points will be shown in the table below the graph.
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What are the three sorces of genetic diversity that meiosis contributes?
Answer:
500 thousand in my jeans in the backseat of my rover
Explanation:
How will gene therapy be used in the future?
Please help me
Thank you
Answer:
I think to create new medical procedures
Explanation:
What molecule from the atmosphere is captured during photosynthesis to generate plant food and biomass?
Answer:
The carbon comes from carbon dioxide used during photosynthesis. During photosynthesis, plants convert the sun's energy into chemical energy which is captured within the bonds of carbon molecules built from atmospheric carbon dioxide and water.
Explanation:
:)
Will mark brainliest if the answer is correct: ""how does the presence of reptilian and mammalian nephrons provide evidence for the relatedness of birds and other vertebrates?""
Answer:
Nephrons in birds, mammals, and reptiles are all extremely similar, more so than other structures in the bodies of different species, solidifying the relatedness through similarity.
Explanation:
Birds can be said to have "mammal-like" nephrons from the number of loops and overall structure of their kidneys, which, although they look very different, serve the same purpose and do it in largely the same way. Reptiles also have mammal-like nephrons, and it can be assumed that this evolutionary trait was kept because the specific structure of the nephrons is generally the most efficient.
The presence of reptilian and mammalian nephrons provide evidence for the relatedness of birds and other vertebrates because the nephrons are similar to that of reptiles and mammals and other birds and vertebrates.
What are nephrons?Nephrons are the functional unit of the kidney. There are many nephrons present in a kidney, it contains tubules and corpuscles.
The formation of urination is done by nephrons, the three functions of nephrons are filtration, reabsorption and secretion.
Thus, the presence of reptilian and mammalian nephrons provide evidence for the relatedness of birds and other vertebrates because the nephrons are similar to that of reptiles and mammals and other birds and vertebrates.
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Based on your knowledge of protein synthesis and the information in the diagram,
summarize how enzymes are made. (3 points)
Explanation:
The chemical reactions involved in photosynthesis are controlled by enzymes . As with any other enzyme-controlled reaction, the rate of photosynthesis is affected by temperature. At low temperatures, the rate of photosynthesis is limited by the number of collisions between enzymes and substrate.
Enzymes are biological catalysts - they speed up chemical reactions. The reactions of photosynthesis, and many other biological processes, are controlled by enzymes.
Enzymes are required for most of the chemical reactions that occur in organisms. These reactions occur in the breakdown of chemical molecules, which we see in the digestive system.
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The interspecific interaction in which one partner is benefitted and the other is unaffected (neutral), is called
(a) amensalism
(b) mutualism
(c) competition
(d) commensalism
Answer:
it is called commensalism
Explanation:
because it benefits one and other derives neither benefit nor harm
Answer:
CommensalismExplanation:
It is a symbiotic relationship in which one benefitted and the other one is neither benefitted nor harmed..
What are the outcomes for hares being introduced into the grassland ecosystem
Answer: The correct answers should be the hares will multiply indiscriminately and destroy the ecosystem and the native herbivores will experience increased competition for resources.
Since the hares wouldn't have predators, and they are famous for rapid breeding, they would overpopulate the ecosystem. On the other hand, the native animals would have to compete with this population of hares for food and would have less for for themselves.
Explanation:
Can someone please help with number 38
Answer:
The answer is (c)
Explanation:
Placenta previa. The placenta is a structure that develops in the uterus during pregnancy.
During apoptosis, which cellular organelle does the work of breaking up the nucleus and causing the cell to die?
ribosome
mitochondrion
lysosome
Golgi apparatus
Answer: Lysosomes
Explanation: Lysosomes are involved with various cell processes. They break down excess or worn-out cell parts. They may be used to destroy invading viruses and bacteria. If the cell is damaged beyond repair, lysosomes can help it to self-destruct in a process called programmed cell death, or apoptosis.
what part of the brain controls body tempertaure and coordinates cardiovascular, respiratory, digestive, excretory functions
Answer:
Hypothalamus
Explanation:
This type of greeting has less germ transmission. When doing an elbow bump, what bones are touching?
Carpals to Carpals
Humerus to Humerus
Ulna to Ulna
Radius to Radius
Based on anatomical positions, in an elbow bump, the bones touching are Ulna to Ulna.
What are the bones at an elbow joint?The elbow joint is made up of the upper arm bone, the humerus and one of the bones in the lower arm, the ulna.
An elbow bump is a form of greeting done wherein the elbows are bumped together.
The Ulna is the prominent bone that comes in contact when two persons do an elbow bump.
Therefore, in an elbow bump, the bones touching are Ulna to Ulna.
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We have to finish dividing the cytoplasm and then back to work. Can’t wait to get back to normal
The cell cycle is a process characterized by finishing when dividing the cytoplasm and then the daughter cells back to work.
What is the cell cycle?The cell cycle is a series of cellular events that undergo a cell from its formation to its division.
The cell cycle can be divided into an interphase and a mitotic (M) phase, which ends with a process called cytokinesis.
The cytokinesis refers to the division of the cytoplasm, which is required to form two daughter cells.
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How is a nerve impulse generated when most sensory receptors are activated?.
Answer:
The trigeminal nerve is the part of the nervous system responsible for sending pain, touch and temperature sensations from your face to your brain. It is a large, three-part nerve in your head that provides sensation.One section called the mandibular nerve involves motor function to help you chew and swallow.Explanation:
What happens if an octopus loses an arm
Answer:
Like a starfish, an octopus can regrow lost arms. Unlike a starfish, a severed octopus arm does not regrow another octopus. But the biological secrets inside their arm regeneration feat do hold the promise of learning more about how we might better regenerate our own
diseased or lost tissue. If not whole limbs, at least perhaps fresh nerves or organ segments
Which characteristics do mars and earth share? check all that apply.
Atmosphere, and active volcanoes, such characteristics is shared by mars and earth.
How do both mars and earth share characterstics?Both the planets have the same area of dry land. This is because two-thirds of the area of Earth's surface is covered with oceans but water is absent on Mars.Both Mars and Earth exhibit temperature and atmosphere.The geological processes on Mars and Earth are common for example formation of volcanoes, canyons and impact basins.Mars exhibits rings but the earth does not.Earth exhibit distinct seasons but Mars do not due to reducing and hot atmospheric condition.Thus, these are the similarity between mars and earth.
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How do you think a human egg is similar to a chicken egg? How are they different ?
Answer:
They both eventually lead to the birth of a chicken or human. And they start very similarly. They are very different, also, because instead of having a physical egg, humans have oval eggs that eventually make the baby, before birth. Chickens on the other hand give birth to the chick that is still inside the egg.
A cell that does not have a true nucleus or membrane bound organelles.
Answer:
A prokaryotic cell is a simple, single-celled (unicellular) organism that lacks a nucleus, or any other membrane-bound organelle.
Which of these describe an inheritance pattern of autosomal genetic disorders? Select all that apply
For an autosomal dominant disorder to be expressed, two copies of the abnormal allele must be inherited.
For an autosomal recessive disorder to be expressed, two copies of the abnormal allele must be inherited.
For an autosomal recessive disorder to be expressed, just one copy of the abnormal allele must be inherited.
For an autosomal dominant disorder to be expressed just one ceny nf the abnormal allele must
The following describe the inheritance pattern of autosomal genetic disorders.
For an autosomal dominant disorder to be expressed just one copy of the abnormal allele must be inherited.For an autosomal recessive disorder to be expressed, two copies of the abnormal allele must be inherited.What is autosomal genetic disorder?Autosomal disorders is a form.of genetic disorders which is as a result of mutations in genes on the autosomes or chromosomes. Each person have two copies of autosomal gene, one of the alleles are inherited from each parent. Autosomal dominant disorders occur when there is a mutation in one copy of the gene.
Therefore, The following describe the inheritance pattern of autosomal genetic disorders.
For an autosomal dominant disorder to be expressed just one copy of the abnormal allele must be inherited.For an autosomal recessive disorder to be expressed, two copies of the abnormal allele must be inheritedLearn more about autosomal genetic disorder below.
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Match the image with its best description
images are not so clear . I answered according to what I probably felt it can be acc to attachment.
_____ plants are able to reduce photorespiration by creating a _____ concentration of _____ in bundle sheath cells where the calvin cycle occurs.
Answer:
C4,high, CO2Explanation:
Which weather component mostly affects the type of precipitation that falls in a certain area?
Air temperature
Humidity
Wind direction
Wind speed
The answer is air temperature
Answer:
Air temperature
Explanation:
The air temperature weather component mostly affects the type of precipitation that falls because when the air is warm it decreases the chance of rain, but when it is cold it increases the chance of rain
An organism has the following characteristics: cell wall, autotrophic, unicellular, and eukaryotic. What kingdom does it most likely belong in?
Animalia
Answer:
An organism has the following characteristics: cell wall, autotrophic, unicellular, and eukaryotic. The organism belongs to kingdom Protista.
Explanation:
Lipids have more __ and __ than they do oxygen atoms
Answer:
Lipids have more carbon and hydrogen atoms than oxygen atoms.
Answer: Lipids have more carbon and hydrogen than they do oxygen atoms
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Give one example of cation and anion?
Answer:
cation: sodium(Na⁺)
anion: sulfate(SO₄²⁻)
Explanation:
hope this helps pls rate and mark as brainliest.
Answer:
cation: calcium, potassium
anion: chloride, iodine
Define plant structure
I can’t think of a paragraph.
Answer: its a slender structure that supports a plant