Q:You are presented with the question "what part of a planet causes the pull of gravity on that planet?" and the following answer choices: - solid, liquid, gas - layers of fat - barrel-shaped - our star - amount of matter - an external framework - hydrogen and oxygen - It expands Now knowing that the mass of a planet causes the pull of gravity on that planet and mass, the amount of matter in an object, is measured in grams, choose the best answer.
A:
amount of matter