Answer:
a controls what enters and leaves the cell
Explanation:
Fossils can only be formed when mud, silt or tar is in the area to preserve the fossil, If erosion does not occur and allows the fossil to form, and Oxygen and microorganisms cannot decay the bones.
Having someone to talk with about your thoughts and issues can help you feel better. Emotional support from someone who cares also helps. This is usually what therapy is for...
Answer:
dear user the answer is option A.oxygen level and water temperature and C.salinity and water temperature.
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