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").

As the pull of gravity decreases air molecules (A) explode (B) disperse (C) crowd together (D) party
B

Animals adapt to their what? (A) appearance (B) feet (C) skin (D) nature places
D

Two gears grinding against each other will raise which of their properties? (A) phase (B) temperature (C) taste (D) mass

B