Answer:
An equation is math so i dont really know
Explanation:
Dude im sorry im just trying get some racks
The main purpose is communication. like when you stub your toe , your nervous system communicates to your brain to react and have pain
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The answer to your question is D. Amniotic egg.
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The alveoli. These little air sacs are found on the end of the bronchioles and are the place where oxygen enters the blood and the carbon dioxide leaves.
Answer:
geologists use rock samples and direct evidence to prove what earth's structure is like.
Explanation:
