1) Rocks are made up of a. soil b. core c. mantle d. crust
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2) Water in freezing form may break the rocks in to pieces by force of a. reduction b. evaporation c. expansion d. condensation
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3) With the passage of time the transported sediments become a. smoother b. smaller c. rounder d. all of them
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4) The dead remains of animals and plants also accumulate to form a. coal b. natural oil c. diamond d. sedimentary layer
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5) Weathering of rocks is affected by a. rain b. temperature c. both a and b d. erosion
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6) Sedimentary layers over a period of time are compacted and cemented to form a. sedimentary rocks b. mountains c. deserts d. hills
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7) While transportation sediments are sorted according to their a. size b. volume c. color d. chemical properties
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8) Repetition in expansion and contractions in rocks give rise to a. stress b. heat c. volume d. force
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9) Granite chip on exposure to extreme temperature will be a. broken b. stronger c. weaker d. stable
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10) Colorado river moving through layers of sandstone, shale and limestone after million years have formed a. statues b. canyon c. pyramid d. wall of China
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