C. It splits easily into thin sheets.

D. All the above

11.They cause weathering by scratching on the rock’s surface as they walk or run around.

A. animals

B. electrical device

C. ceramics

D. jewelry

12.Which of the following shows that soil erosion is caused by wind?

A. Ashes and dust near Mt. Pinatubo

B. Pile of soil in the river

C. Muddy water in the field

D. Sandstorm

13.All of these are causes of soil erosion except one.

A. Fire

B. Water

C. Human and animal activities

D. Wind

14.Which is the most effective agent of erosion?

A. glaciers

B. water

C. gravity

D. wind

15.The process that moves sediments

A. Erosion

B. Dissolution

C. B. Fracture

D. Weathering

16.Landslides on mountain slopes show the force of _______.

A. Gravity

B. Running water

C. Runoff

D. Wind

17.What makes the water muddy after a heavy rain?

A. The fine dust particles dissolved in water.

B. The gravel and sand carried by the water.

C. The pebbles moved along with water.

D. The rainwater turned brown in color.

18.Which of the following factors can affect soil erosion?

I.

amount of vegetation in the area

II.

speed and amount of running water.

III.

dryness and size and soil particles

IV.

Slope of the land

A. I and II only

B. III and IV

C. I, II and IV only

D. I, II, III and IV


nonsense: report​