Global warming is caused by an increase in the level of carbon dioxide gas in the atmosphere. how has this affected the world's oceans?

Athere is an overgrowth of algae.

Bthe oceans are warming as a result of the excess carbon dioxide.

Cthe oceans are absorbing the excess carbon, causing the oceans to become acidic.

Dthe oceans reflect a great deal of the carbon dioxide gas back into the atmosphere.