The statements that describe items related to the effects of gravity on an object are:
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Pulls down toward the Earth - This describes the gravitational force exerted by the Earth on objects.
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Based on the amount of matter in the object - This relates to the concept that the gravitational force is dependent on the mass of the objects involved.
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Dependent on how far objects are apart - This reflects the inverse-square law of gravitation, stating that gravitational force decreases with the square of the distance between two objects.
The statement "Makes objects float out into space" does not accurately describe the effects of gravity. Instead, gravity pulls objects toward a massive body, like Earth.