Question: Which event would most likely result in more food for organisms that are scavengers?

What is the correct answer to the question from the following choices?

 (a). Fish die and sink to the bottom of a pond.;
 (b). Trees take up and store water with roots.;
 (c). Beavers build a new dam and lodge.;
 (d). Plants get more sunshine and water.;
(a).