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1 . which of the following activity of man contribute to the breaking down of rocks?
A.FISHING B.MINING C.STUDYING D.SKY DIVING
2.how do roots of plants break down rocks?
A.they split the rocks apart B.they heat the rocks C.they live materials on the rocks D.they absorbed rock particles
3.how does temperature break down rocks?
A.rocks break when it's cooled B.rocks break when it is heated C.rocks break when it is heated and then cooled D.rocks break when it's not exposed to water.
4.some animals like rabbit and moles dig of soil from shelter or to find food. how does this activity contribute to the breaking down of rocks?
a) the food that these animals bring underground cause the breaking of rocks
b) the ddigging of burrowing of animals breaks the rock into small pieces.
c) small rocks that be exposed to sunlight
d) animal will enjoy staying in the dug holes on cause the rising of temperature inside
5.water, people, animals wear away bits of rocks. what do you call this process?
a) erosion b) weathering c) mountain building d) fermenting
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