3. Water that evaporated from a tropical sea can later fall as snow over an Arctic landmass. This is because water vapor in
Earth's atmosphere is moved around the globe by air
currents. The differences in temperature that cause air
currents are created by —

Most of the carbon on earth is stored in the form of

Discuss cell surface transport in the structure of constituents

12) several teeth were found in an area of flat land covered with trees and plants. the teeth were examined by a paleontologist, and it was determined that the teeth came from a shark. they found many other shark teeth in this area. however, the people who discovered the teeth were puzzled, because there was no source of water near where the fossils were found. what is the paleontologist's best explanation for why the teeth were found in this area? a) sharks used to live on flat land. b) this area was once covered with salt water. c) this area was once covered with freshwater. d) someone buried the shark teeth deep in the ground.