According to the law of conservation of momentum, what is the momentum of the object after the collision? 4,500 g · m/s 1,750 g · m/s 1,500 kg · m/s 3,000 kg · m/s

Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.

The point along a planet's orbit where it is closest to the sun is called the

Which of the following is a solution a- brewed coffee b-tomato juice c- ranch salad dressing d- muddy water