If a "Mini-Earth" had a mass of 6.00x1023 kg, and a radius of 3,000 km, what is its
acceleration of gravity near its surface?
[?] m/s2

What are chlorofluorocarbons and what impact do they have on the atmosphere?

Which safety measures should you follow during a thunderstorm? check all that apply. (a) avoid touching anything that conducts electricity. (b) avoid touching a person who has been struck by lightning. (c) go outside. (d) keep your computer turned off. (e) stay out of water. (f) stay inside.

Explain earth's motion, using the terms "precession" and "rotation" in your answer.