Weathering And Erosion (pretest)

Animals do not contribute to natural erosion.

Why is natural erosion a beneficial process? a. It helps create fertile soil. b. It leads to reduced vegetation. c. It happens rapidly. d. It prevents damage from natural disasters.

Which of the following is an example of chemical weathering? a. waves washing over rocks on the beach b. acid rain falling on sidewalks c. ice forming in the cracks of rocks d. wind blowing against rocks

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.

Which of the following is not a possible cause of erosion? a. burrowing animals b. gravity c. water d. none of the above

Erosion occurs based on the movement of water, wind, or ice over a surface and typically moves on the downward-creep slope because of

What area would most likely experience the greatest amount of natural erosion? grassland forest coastline rainforest

Why is artificial erosion a concern if erosion can occur naturally? a. Artificial erosion changes environments while natural erosion does not. b. Artificial erosion occurs at a faster rate than natural erosion. c. Artificial erosion affects soil while natural erosion does not. d. Artificial erosion is of no concern.

Which of the following is a result of natural erosion? a. desert sands b. lost seed germination c. widened valleys d. all of the above

Which of the following statements about artificial erosion is true? a. Artificial erosion can occur 100 times faster than natural erosion. b. Farming practices do not contribute to artificial erosion. c. Artificial erosion causes a loss of fertile soil. d. Artificial erosion is only caused by recreational activities.