1) It is the breaking down of rocks into fragments. a) Erosion b) Flooding c) Runoff d) Weathering 2) A type of weathering that involves change in the composition of the rock. a) Chemical b) Mechanical c) Both chemical and mechanical d) None of the above 3) What do you call a process by which humans extract stones from the mountain for construction purposes? a) Digging b) Flattering c) Weathering d) Quarrying 4) What will happen to a rock when it is exposed to higher temperature? a) Contracts b) Evaporates c) Expands d) Sinks 5) How do burrowing animals contribute in the transportation of sediments? a) They plow the land b) They step on the rocks c) They bite the rocks and break into pieces d) They dig the ground and the soil particles stick to their bodies.

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