An important contribution made by copernicus is this (correct) assertion that the a. earth was spherical (round) b. sun was the center of the whole universe c. sun was the center of the earth's orbit d. earth was the center of the universe

Witch of the following types of boundaries is most likely to result in a subduction zone

Which of the following is an important principle of how water moves through a watershed? a. most freshwater is in the form of ice. b. small streams flow into larger streams. c. each watershed contains only a single source of water. d. clouds are formed through evaporation and then condensation.

What is an effective way to make connections between words you know and words you don't know?