If you drop a stone into a hole drilled all the way to the other side of earth, the stone will
a. speed up until it gets to the center of earth
b. slow down until it reaches the center of earth
c. speed up until it reaches the other side of earth
d. stop at the center of earth

Uranium is a mineral which is used to generate electricity. predict and explain the long term effect on the environment of obtaining and using uranium as a source of energy.

If we represent the solar system on a scale that allows us to walk from the sun to pluto in a few minutes, then a) the planets are microscopic and the stars are millions of miles away. b) the planets are the size of basketballs and the nearest stars are a few miles away. c) the planets are marble size or smaller and the nearest stars are thousands of miles away.

Study the image of this rock. which characteristic best supports its formation from sedimentary processes?