Help I Need Help With These Questions?

1.Gravity on the moon is about __________ the gravity on Earth. A.one eightieth B.the same as C.one half D.one sixth 2.The moon has no atmosphere, because A.the surface temperature varies greatly. B.gravity at the surface is not strong enough to… Continue Reading

solar system questions?

.7The same force that keeps the Moon orbiting the Earth also keeps the Earth orbiting the Sun. What is this force? A. electric force B. gravitational force C. magnetic force D. nuclear force 8. Between the orbits of Mars and… Continue Reading