Question

The earth's differentiation and size were significant factors for life on Earth because Earth's composition and gravitational attraction _____.

-keep the moon and sun in orbit
-keep people grounded
-helped to create and retain Earth's atmosphere
-create and retain internal heat

Answer 1

the answer is obviously gonna be A. because it keeps the moon,sun,AND the earth in orbit otherwise we'd be thrown out into space!!!

Answer 2

I believe the correct answer from the choices listed above is the first option. The earth's differentiation and size were significant factors for life on Earth because Earth's composition and gravitational attraction keep the moon and sun in orbit. Hope this answers the question.