Some scientists believe that at one time, earth could have been a single land mass called _____.

They are breaks in the earth's surface along which rock can move.

Identify which kind of fault is shown in the image.

rocks moving toward each other

Identify which kind of fault is shown in the image.

rocks moving horizontally

Identify which kind of fault is shown in the image.

rocks moving apart

How is P wave different from S wave?

It is the fastest moving surface waves. It moves in a side-to-side zigzag pattern

It moves slowly the P wave and in an up-and-down zigzag pattern.

It moves in a rolling motion like ocean waves.

It is the fastest moving body wave. It travels in a straight path by a push-and-pull motion.

They are the beautiful formations in caverns, form as the dissolved calcite is deposited out of the water

They hang from the ceiling and look like stone icicles.

They grow up from the ground as a result of the dripping dissolved calcite.

Leaf litter and humus compose this top layer of soil called ______.

This horizon consists mainly of larger weathered fragments of the bedrock. It contains clay and sand particles but very little organic materials

To which category of weathering does abrasion belong?

To which category of weathering does acid rain belong?

To which category of weathering does acid rain belong?

To which category of weathering does exfoliation belong?

Geothermal energy uses steam to turn turbines to produce electricity.

Hydroelectric energy uses windmills to control the flow of water.

Is natural gas renewable or nonrenewable?

Is geothermal energy renewable or nonrenewable?

Is nuclear energy renewable or nonrenewable?