Planets remain in orbit around the Sun because of
A B C D
gravity. friction. solar energy. centrifugal force.
Question: Planets remain in orbit around the Sun because of
(A) gravity.
(B) friction.
(C) solar energy.
(D) centrifugal force.

Answer: (A) gravity.
Answer: (D) centrifugal force.
Question: Planets remain in orbit around the Sun because of
(A) gravity.
(B) friction.
(C) solar energy.
(D) centrifugal force.
Answer: (A) gravity.