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").

Coal and oil directly removed from the ground are (A) directly consumed (B) thrown away (C) made into products (D) stored underground
C

Which is competition? (A) a giraffe eats the highest leaves (B) a bear takes a salmon from the stream (C) a shark eats a tuna that an orca was hunting (D) a slug eats a blade of grass
C

The family cooked most of their food using a stove and (A) magic (B) ice (C) luck (D) electricity

D