Question

what happens to the ocean when there is too much carbon dioxide in the atmosphere? the oceans warm up and become more acidic the oceans cool down and become more acidic the oceans warm up and become less acidic the oceans cool down and become less acidic

Explanation:

Carbon dioxide is a greenhouse gas. When there is too much carbon dioxide in the atmosphere, it traps heat, causing the oceans to warm up. Also, carbon dioxide dissolves in seawater and reacts to form carbonic acid ($\ce{CO2 + H2O
ightarrow H2CO3}$), increasing the ocean's acidity.

Answer:

the oceans warm up and become more acidic