What organisms in the ocean absorb the most carbon dioxide?

Tiny marine plants called phytoplankton use this carbon dioxide for photosynthesis. Phytoplankton are the base of the marine food web. After animals eat the plants, they breathe out the carbon or pass it up the food chain.

Explanation:

multiplying and dividing the two decimals and the eqations by the same number of the overalls

so whats the answer