Answer: When an organism is covered by sediment, it begins to decay. When decaying, the organisms release a gas. This process in turns leaves a thin film of carbon that preserves parts of the organisms.
Explanation:
Answer:
when an organism is covered by sediment, it begins to decay.
Answer:Diffusion
mantle layer is the answer
The solution with the higher concentration of solutes (a.k.a liquids/water)
A antigens, B antibodies.
Always the opposite for blood type questions.