Answer:
A. digestive
Explanation:
Even if you chew the food, sometimes the food isn't break down properly. The digestive system would help break down food into tiny pieces.
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The embryonic development of plants and animals is different. ... The cells of plants differ immediately, whereas this is not the case with animals. Plants are solid and animals have two body cavities. Animals bend inwards and make a body cavity and plants do not form an inner space.
The last time there was this much carbon dioxide (CO2) in the Earth's atmosphere, modern humans didn't exist. Megatoothed sharks prowled the oceans, the world's seas were up to 100 feet higher than they are today, and the global average surface temperature was up to 11°F warmer than it is now.
Answer:
I think It's the Answer B
Explanation:
