Carbon naturally moves through ecosystems. however, human activities over time have been impacting the carbon cycle and causing an increase in Atmospheric carbon dioxide

a. decrease climate change

b. decreased ocean acidification

c. increased biodiversity

d. increases average global temperature

I think D

Explanation:

Im not 100% sure, but that makes the most sense to me.

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<Jayla>

when atoms of different types of elements join together, they make molecules called compounds. water consists of compound molecules made up of 2 hydrogen atoms and 1 oxygen atom. this is why it's called h2o. water will always have 2 times the number of hydrogen atoms as oxygen atoms.

wha is what i will use to get my free points