Weathering and Erosion Answers

Which is an example of natural erosion?

Which of the following is not a possible cause of erosion?a.burrowing animalsb.gravityc.waterd.none of the above

How is chemical weathering different from physical weathering?a.Physical weathering involves the movement of substances while chemical weathering does not.b.Chemical weathering occurs through human action while physical weathering occurs naturally.c.Physical weathering is mechanical breakdown, while chemical weathering involves the chemical breakdown of substances.d.Chemical weathering causes less drastic changes than physical weathering.

Using off-road vehicles does not contribute to the process of erosion.

When rocks are broken down by heat and pressure, chemical weathering has taken place.

Which of the following statements about erosion is true?a.Erosion occurs as a result of drastic changes in temperature.b.Erosion occurs when wind or water moves over sediment, soil, or rocks.c.Physical and chemical are the two types of erosion.d.Movement is not required for erosion to take place.

Weathering occurs as a result of direct contact with the atmosphere.

Which of the following is an example of chemical weathering?a.waves washing over rocks on the beachb.acid rain falling on sidewalksc.ice forming in the cracks of rocksd.wind blowing against rocks

Which of the following is characteristic of both weathering and erosion?a.occurs naturallyb.caused by burrowing animalsc.occurs with movementd.caused by the pull of gravity

What area would most likely experience the greatest amount of natural erosion?a.grasslandb.forestc.desertd.rainforest