Answer:
. The main structural differences between plant and animal cells are the additional structures found in plant cells. These structures include: chloroplasts, the cell wall, and vacuoles. In animal cells, the mitochondria produces the majority of the cells energy from food.
The tennis ball. Because of less mass
The answer to this question is A. A simple Google search will help you find the answer. But, straightforward. That's what he stated in the document he made as the third law. So, that's the answer. Period.
2. Endothermic, absorbing
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