Which is an example of matter cycling through the bodies of living things?
O
A. Whales swimming in the ocean
O
B. Plankton moving with the tide
O
C. People visiting the aquarium
O
D. Whales eating plankton

Please help!

I think D. This is a hard one.

Explanation:

answerdecomposition;

the jugular venous disention can be a sigh of problems starting with the heart specificaly the right side. with the evidence pressent he may have a blocage in a vein or artery due to a blood clot forming in the surggery. its a theory