Jasmin

Geography

17 December, 19:12

1. Which observation supported Wegener's theory of continental drift?

a. Different continents had different rock types.

b. Identical fossils were found on continents that were far apart.

c. Each continent had mountain ranges.

d. The earth's rotation could provide enough force to move the continents apart.

. 2. Which feature do you usually see when tectonic plates move apart? (

a. volcanoes

b. earthquakes

c. mountains

d. new ocean ridges and seafloor

3. What happens in a convection cell?

a. Cold, dense material sinks while hot, less dense material rises.

b. Cold, dense material moves horizontally, while hot, less dense material moves vertically.

c. Hot, less dense material moves horizontally, while cold, dense material moves vertically.

d. Hot, less dense material sinks while cold, dense material rises.