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True or False
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Determine whether each of the statements below is true or false.

1
Sediment is a product of weathering of preexisting rocks.
A)TRUE
B)FALSE
2
Chemical sedimentary rocks are made of grains that are fragments of preexisting rocks.
A)TRUE
B)FALSE
3
Sediment becomes sedimentary rock through lithification.
A)TRUE
B)FALSE
4
Natural resources are never associated with sedimentary rocks.
A)TRUE
B)FALSE
5
Coal is formed from organic plant remains.
A)TRUE
B)FALSE
6
Quartz is a common component of sedimentary rocks because it is resistant to chemical weathering.
A)TRUE
B)FALSE
7
Breccia is composed of coarse angular gravel.
A)TRUE
B)FALSE
8
Petroleum (oil and gas) is often associated with sedimentary rocks.
A)TRUE
B)FALSE
9
Detrital sedimentary rocks are formed as a result of chemical weathering of other rocks.
A)TRUE
B)FALSE
10
Organic sedimentary rocks typically form from larger particles of pre-existing rocks.
A)TRUE
B)FALSE
11
Conditions on the Earth's surface influence the type of sediments that form in various locations.
A)TRUE
B)FALSE
12
Ripple marks may be used to determine the direction a current was flowing and are most often preserved in the sedimentary rock breccia.
A)TRUE
B)FALSE
13
Sediment can be transported great distances from its source area before becoming a sedimentary rock.
A)TRUE
B)FALSE
14
The cement that forms to bind sediments together is usually precipitated from solution.
A)TRUE
B)FALSE
15
Boulders cannot be transported or deposited to form chemical sedimentary rocks.
A)TRUE
B)FALSE
16
The grain size of detrital sedimentary rocks may provide clues to the environment in which the sediments were deposited.
A)TRUE
B)FALSE
17
Geologists use sedimentary rocks to reconstruct the geologic history of Earth.
A)TRUE
B)FALSE
18
Some sequences of rock formations allow geologists to interpret the history of sea-level oscillations on Earth.
A)TRUE
B)FALSE
19
Coral reefs are a type of clastic sedimentary rock.
A)TRUE
B)FALSE
20
Earth is the only planet with sedimentary rocks.
A)TRUE
B)FALSE





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