Question

why do people that jump from airplanes not fly off into space? gravity is strong enough to pull them towards the center of the earth. they miss the earth so much they go towards it. they are tied to a string and pull themselves back to earth. people always fall in the same direction, no matter where on earth they are. rewatch

Explanation:

To determine the correct answer, we analyze each option:

• The first option states that gravity pulls people toward Earth’s center. Gravity is the scientific force that keeps objects (including people) near Earth, so this is a valid scientific explanation.
• The second option ("They miss the Earth so much...") is a non - scientific, anthropomorphic explanation and is incorrect.
• The third option ("They are tied to a string...") is incorrect as skydivers are not tied to a string to return to Earth; they use parachutes, and the fundamental reason for not flying into space is gravity.
• The fourth option is incorrect. People fall towards the center of the Earth (due to gravity), and the direction of "down" is towards the Earth’s center, but this option does not correctly explain why they don't fly into space. The key reason is gravity pulling them towards Earth, which is described in the first option.

Answer:

A. Gravity is strong enough to pull them towards the center of the Earth.