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").

If a leg is moving then the bones inside the skin are (A) being controlled by brawn (B) being slowly softened up (C) being made to break down (D) being torn into pieces
A

if a river ran through a region, what would be found close by? (A) land mass susceptible to water encroachment (B) active life coral reef (C) acid rain susceptible area (D) very active volcanic mountains
A

The moon's gravity (A) pulls stars into it's orbit (B) determines when neap and ebb are on Earth (C) keeps objects on Earth grounded (D) forces the sun to orbit around it

B