Question

1. In what type of rocks would geologists most likely find evidence of past life forms?
igneous rocks

metamorphic rocks
volcanic rocks
sedimentary rocks**

2. The physical, chemical, and biological laws that operate today have also operated in the
geologic past. This statement relates to the principle of ____.

superposition
cross­cutting relationships
uniformitarianism**
correlation

3. In general, the law of superposition states that in an undeformed sequence of sedimentary
rocks, each layer is ____.

basically the same age
older than the one above it
older than the one below it*
thicker than the one above it

4. If a layer of sandstone is in contact with a mass of granite that contains small pieces of the sandstone, which rock is older?

the sandstone
the granite**
Both are the same age.
It is not possible to determine which rock is older from this information.

5. What type of unconformity consists of tilted sedimentary rocks that are overlain by younger,
more flat­lying sedimentary rocks?

angular unconformity
disconformity**
nonconformity
conformity

6. What determines the type of fossil that is formed?
the conditions under which the organism was metamorphosed and how it was buried**
the conditions under which the organism died and how it lived
the conditions under which the organism died and how it was buried
the conditions under which the organism lived and how it was buried

7. Organisms with hard parts stand a good chance of being fossilized if they are ____.
rapidly decomposed by bacteria
slowly buried by sediments**
rapidly eaten by scavengers
rapidly buried by sediments

8. Which of these organisms would have the best chance of becoming part of the fossil record?
horse
fish**
butterfly
ant

Answer 1

I am not geologist but question:
3. Upside down?

4. If there is sand in the granite did the sand not already exist when the granite formed?

5. Not at all sure

7. I suspect rapid burial but read your text about it.

Answer 2

I don't feel too sure about your answers

Answer 3

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Answer 4

1.D
2.C
3.B
4.A
5.A
6.C
7.D
8.B
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Answer 5

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Answer 10

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Answer 11

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