D because it goes in and out
Answer:
False
Explanation:
Fires produce carbon dioxide
It usually develops around the age of 40+... hope this helps!
Answer:
Well,if this place can only support a maximum amount of 40 wolves and 55 wolves are living in the area, the wolves population will decrease.
Explanation:
Answer: Spallanzani's experiments concerning spontaneous generation were NOT universally accepted because <u><em>He eliminated air from his flasks by sealing them</em></u>.
Explanation:
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