The optic chiasm is an X-shaped structure formed by the crossing of the optic nerves in the brain. The optic nerve connects the brain to the eye.
Answer:
b
Explanation:
a semi permeable membrane requires no energy since it allows safe passage of molecules from low to high think of it like a tea bag it has a high concentration and the low concentration is the hot water.
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The answer would be ecosystem.
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Like all other reptiles, birds have scales. Also, birds lay eggs like other reptiles.
Answer:
You would look for the virus in other places
Explanation:
