In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").

When the amount of food goes down, the amount of conflict between the organisms searching for it will (A) nothing. (B) remain the same (C) go down (D) go up
D

One way to recycle paper is by using it to (A) build oceans (B) build spaceships (C) wipe grime (D) build cars
C

If the trees in an area are growing in soil rich with a certain vitamin, what might happen? (A) the vitamin would evaporate (B) the vitamin would leak back into the ground (C) the trees would mutate and die (D) the squirrels would have that vitamin in their system

D