Why are the oceans considered a large carbon sink?(1 point) Responses Phytoplankton takes in carbon through cellular respiration. Phytoplankton takes in carbon through cellular respiration. Decomposition rates in the water are far greater than on land. Decomposition rates in the water are far greater than on land. Water absorbs carbon directly from the atmosphere by diffusion. Water absorbs carbon directly from the atmosphere by diffusion. Carbon gets transferred among all the organisms of every food chain