<span>B. tiny structures in the cell that carry out the cell's activities</span>
Answer:
The fossils in the lower layers are older than the fossils in the upper layers.
Explanation:
The answer is C, because of the propellant gas released when the contaminated soil is mixed and released of pressures.
3. Mechanical energy is the energy used by organisms to function and move.
3. The conservation of energy is the process in which organisms use up the energy in a cycle where nothing is wasted.
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