Most living organisms need to take in oxygen to survive. What is responsible for providing most of this oxygen?
fish and phytoplankton
plants and seaweed
seaweed and phytoplankton
coral and fish

that is a club

explanation:

i am good at it i think hope its right

yes it is weird but true

it's diluted or concentrated

in a diluted solution, you can add a lot more solute but in concentrated only a little more can be added