What is the definition of an inclusion?
A) A fossil of an organism that existed for a short period of geologic time
B) A fragment of one rock unit enclosed in another rock unit
C) An unstable isotope decaying into a stable form
D) A fault bisecting a layer of rock
Answer: B
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The dip in the water table below wells is called the
A. aquifer. B. discharge area. C. cone of depression. D. recharge area.
The geologic time scale was first developed in the 19th century using radiometric-dating techniques
Indicate whether the statement is true or false
Volcanoes are found at ____________________ plate boundaries and ____________________ plate boundaries
Fill in the blank(s) with correct word
This cloud type is the first indication that a warm front is coming
A) altostratus. B) cirrus. C) cirrostratus. D) nimbostratus. E) stratus.