Summarization
Directions: The paragraph is followed by an incomplete phrase or sentence which summarizes the main idea of the paragraph. Spell out the missing letters of the word. 

We do not realize how much we depend on the earth’s gravity until we are deprived of it. Then our feet no longer stay on the ground, we float around in the air, and the slightest touch may send us drifting off in the opposite direction.
Situation in absence of g.