Question

Tiny plants called
nearly 1/2 of the world's oxygen.
live in the sea and make​

Answer 1

Answer:

Phytoplankton are extremely important to the Earth's carbon cycle; they help to process and store carbon. In addition to oxygen production, phytoplankton are responsible for most of the transfer of carbon dioxide from the atmosphere to the ocean.

Hope it helps :)

(Also, you marking me as brainiest will be very much appreciated :) )