I think calcium but i could be wrong
It is theorized that all life begun by microorganisms being able to take advantage of underwater volcanic vents. Furthermore, it is theorized that all life (except plant life) came from the ocean. Variety in earth has come about from variation, where different species have different characteristics for their survival. Also note that gravity has led to the development differences between earth creatures and ocean creatures. Ocean creatures have more mass than land. Usually this is because of the pull of gravity.
Answer:
Non-N-fixing plants usually benefit from reduced competition in mixed stands compared to pure stands and attain higher biomass and N content per plant
Explanation:
Answer:
Cell theory meets the definition of scentific theory because cell theory is historic scientific theory and it should be a law because it is universally accepted.
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Answer:
D. the cavity or passage that receives blood from the atrium and pumped into the body.
Explanation: