What causes the pull of gravity?
layers of fat Earth's mass Time and energy flow of electrons kinetic energy friction an object heat energy
A B C D E F G H
Earth is a living planet.
Earth's mass causes the pull of gravity
What causes the pull of gravity? (A) layers of fat (B) Earth's mass (C) Time and energy (D) flow of electrons (E) kinetic energy (F) friction (G) an object (H) heat energy