Earth Science Review

Front

What is the primary environment where most coal deposits developed?

Back

Tropical swamps.

Front

What is the term for an extended period of well-below-normal rainfall?

Back

Drought.

Front

What is the angle of tilt of Earth's axis relative to the ecliptic?

Back

23.5 degrees.

Front

Which planet has a high concentration of carbon dioxide that traps heat?

Back

Venus.

Front

Why was the theory of continental drift initially not widely accepted?

Back

Wegner couldn't explain why or how the continents moved.

Front

What is the process called when plants die, settle, and become coal over time?

Back

Coal formation.

Front

What gas was limited in tropical swamps, leading to slow decay of organic matter?

Back

Oxygen.

Front

What is the term for the movement of Earth's plates?

Back

Plate tectonics.

Front

What phenomenon occurs when warm air rises and cool air moves in to replace it?

Back

Convection.

Front

What is the main cause of seasons on Earth?

Back

The tilt of Earth's axis.