Which of the following is an example of erosion? A. Wind breaking down an existing rock into smaller pieces.

B. Layers of sediment pressed and sticking together.

C. Small shells being moved by water to the shore.

D. Animal fossils getting trapped between sediment layers.

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.

Which part of a mountain receives the majority of moisture due to the rain shadow effect? a. the leeward side b. the windward side c. the bottom of the mountain d. all parts of the mountain receive equal amounts of moisture.

The earth rotates on its axis and revolves around the sun every