Answer:
Both are true; the second is part of the cell theory.
The first is incorrect because the more massive an object, the more gravitational force acts on it.
The second is false because the gravitational force decreases with distance. It's why the outer planets are usually smaller.
The third is true. It depends on both mass and distance and attracts two objects together.
The fourth is false because temperature and pressure have nothing to do with gravity.
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