Earth& Space 7 Test Review

Which of the following is NOT considered to be a factor of soil formation?

• topography

• parent material

• time

• fossils

Which of the following is NOT caused by chemical weathering?

• exfoliation

• hydrolysis

• oxidation

• acid precipitation

What percentage of the Earth's surface is presently covered by glaciers?

• 5%

• 10%

• 20%

• 0%, global warming

Which process most likely produced the feature found in the picture?

• mechanical weathering

• chemical weathering

• erosion

• plate tectonincs

Which erosional agent was most likely responsible for the appearance of this feature?

• water

• wind

• glaciers

• gravity

In which soil horizon is most of the humus concentrated?

• A horizon

• B horizon

• C horizon

• O horizon

What is normally the primary factor that affects the rate of weathering?

• topography

• volume

• climate

• biological activity

The loose covering of broken rock and decaying organic matter is called?

• bedrock

• soil

• humus

• hardpan

The fracturing of rock along curved lines resulting from pressure beneath is called?

• plate tectonics

• frost fracture

• exfoliation

• hydrolysis

When eroded sediments eventually slow and empty into large bodies of water, say like oceans, these are formed?

• bayous

• deltas

• gullies

• rills