I think it's A. They have a cell membrane.
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Over half of the people in the United States rely on groundwater for drinking water. This is true.
biotechnology is branch of biology wich study about relation ship between living things realated with technology
Answer:
Robber crabs have more in common with humans than sponges.
Explanation:
Robber crabs have more in common with humans than sponges because sponges don't have tissues. Crabs and humans have specialised tissue.
Answer:
Ventilation and mixing outdoor air with indoor air
Explanation:
