Answer:Those meteors are burning up in the mesosphere. The meteors make it through the exosphere and thermosphere without much trouble because those layers don't have much air. But when they hit the mesosphere, there are enough gases to cause friction and create heat.
Explanation:
Answer:
organic nitrogen is the nitrogen that occurs in organic compounds whereas the inorganic nitrogen is nitrogen that occurs in inorganic compounds while .
Explanation:
organic nitrogen
Organic compounds are chemical species containing C and H atom as essential components. When these compounds contain nitrogen as well, this nitrogen is organic nitrogen
inorganic nitrogen
inorganic compounds are chemical species that has chemical elements other than carbon and hydrogen.
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Answer:
Recently scientists have discovered an enzyme, BACE2, that decreases these abnormal protein fragments in the brain of a person with Alzheimer’s disease.
Explanation:
Answer:
Energy is said to flow in a "one-way stream" through an ecosystem. In your own words, describe what that means. Energy is not recycled. Energy enters an ecosystem and flows through a food chain, but it is not reused, it is lost as heat.
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