Unit 3 Exam

Which of the following can cause the breakdown or weathering of rocks?

• acid rain

• frost wedging

• living organisms

• all of the above

Which of the following affect the rate of weathering?

(click all that apply)

• rock type

• erosion

• rock surface area

• climate

Rocks located in which of the following areas would most likely be impacted by the effects of acid rain and oxidation?

• polar (cold)

• tropical (warm/wet)

• desert (dry)

• tundra

As streams and rivers carry sediments out to sea, they deposit these sediments at the base of a river creating what landform?

• mudflow

• slump

• delta

• all of the above

A nonrenewable resource is something that cannot be replenished once it has been used up (or takes millions of years to replenish). Identify the nonrenewable resources.

• wind

• sun

• fossil fuel

• soil

How do weathering and erosion affect Earth’s surface?

• They cause sedimentary rocks to become igneous rocks

• cause volcanoes

• they cause magma to become lava

• together they break down rocks and create soil

What effect does planting trees and bushes on a hill have?

• provides oxygen to soil

• prevents lithification

• speeds up weathering

• stops erosion

erosion is

• breaking down of rocks into smaller particles

• the laying down of sediment

• the movement of particles from one place to another

• all of the above

Which of the following is a practice that is used by a conventional/inorganic farmer?

• contour farming

• monoculture planting

• use of manure as fertilizer

• using carnivorous insects in place of chemical pesticide

The Dust Bowl was caused by what?

• poor farming practices

• severe drought

• forceful winds

• all of the above