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Multiple Choice

This activity contains 15 questions.

Question 1.
"The physical, chemical, and biological laws that operate today have also operated in the geologic past," is a statement of the doctrine of ____________.

End of Question 1

Question 2.
The task of matching up rocks of similar ages in different regions is known as ____________.

End of Question 2

Question 3.
Fossils that are widespread geographically and are limited to a short span of time are referred to as ____________ fossils.

End of Question 3

Question 4.
A(n) ____________ in the rock record represents a long period during which deposition ceased, erosion removed previously formed rocks, and then deposition resumed.

End of Question 4

Question 5.
The process by which atomic nuclei spontaneously break apart (decay) is termed ____________.

End of Question 5

Question 6.
The greatest expanses of geologic time are referred to as ____________.

End of Question 6

Question 7.
The doctrine of ____________ was put forth by James Hutton in his monumental work Theory of the Earth.

End of Question 7

Question 8.
The type of date that places events in proper sequence is referred to as a ____________ date.

End of Question 8

Question 9.
Dendrochronology is the systematic study of ____________.

End of Question 9

Question 10.
Atoms with the same atomic number but different mass numbers are called ____________.

End of Question 10

Question 11.
"Most layers of sediments are deposited in a horizontal position" is a statement of the principle of ____________.

End of Question 11

Question 12.
Pieces of one rock unit contained within another are called ____________.

End of Question 12

Question 13.
Earth is about ____________ years old.

End of Question 13

Question 14.
The principle of fossil ____________ states that fossil organisms succeed one another in a definite and determinable order.

End of Question 14

Question 15.
Nicolaus Steno proposed the most basic principle of relative dating, the law of ____________.

End of Question 15

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