ap human geography chapter 13

1. A tsunami's waves result from A.) tidal conditions B.) high storm winds called "tsunamis" C.) earthquake displacement of the sea floor D.) periodic floods

Answer explanation

C.) earthquake displacement of the sea floor

2.) depletion of the ozone layer is caused by the release of (a)   into the atmosphere. A.) volcanic ash B.) CO2 C.) methane D.) chlorofluorocarbons

3.) climatologist/geographer Alfred wegener used his spatial view of the world to develop the theory of A.) relativity B.) the hydrologic cycle C.) continental drift D.) earth rotation

Answer explanation

C.) continental drift

4.) the latest Pangaea breakup began (a)   years ago. A.) 10,000 B.) 2,000,000 C.) 50,000,000 D.) 180,000,000

5.) the boundaries of rocky crustal plates (theory of plate tectonics) are associated with A.) deserts B.) earthquakes and volcanoes C.) ice caps D.) plains regions

Answer explanation

B.) earthquakes and volcanoes

6.) what percentage of the Earth's surface is covered by water? A.) 90 B.) 70 C.) 50 D.) 20

Answer explanation

B.) 70

7.) plant life and photosynthesis began about 1.5 billion years ago and increased the ____ level in the atmosphere. A.) CO2 B.) O2 C.) methane D.) sulfur

Answer explanation

B.) O2

8.) the earth's most recent experience with mass volcanism was between ____ million years ago. A.) 180 and 160 B.) 150 and 130 C.) 120 and 100 D.) 90 and 70

Answer explanation

A.) 180 and 160

9.) the most recent glaciation of the Pleistocene was the (a)   glaciation. A.) Illinoian B.) Kansan C.) Wisconsinan D.) Nebraskan

10.) The greatest threat to human existence to come from any source was a volcanic eruption occurring about 73,500 years ago. The volcano was called A.) Santorini B.) St. Helen's C.) Tambora D.) Toba

Answer explanation

D.) Toba