What should you do when in the midst of an earthquake?
a. avoid living in earthquake-prone areas
b. take cover in doorways or under sturdy furniture
c. work in a building that can withstand earthquakes
d. stand in the middle of the room or take cover under a mattress

How does rain water cause erosion and deposition? a. when acidic water soaks into the ground, water dissolves limestone, resulting in the formation of caves. b. when a river overflows it moves downhill resulting in the formation of caves. c. when it rains, water flows into rivers and streams and moves back to land, resulting in the formation of caves. d. when water empties into lakes, sediment is deposited, resulting in formation of caves.