Three of the following are true for minerals. Which one of the following is not true for minerals?
A) They have a specific, predictable chemical composition.
B) They have an orderly internal crystalline structure.
C) They can be identified by characteristic physical properties.
D) They can be a liquid, solid, or gas.
Answer: D
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Rock layers that are very susceptible to brittle failure would be expected to produce ____
a. ?foreshocks and an earthquake but no aftershocks b. ?foreshocks, an earthquake, and aftershocks c. ?an earthquake with aftershocks but no foreshocks d. ?foreshocks and aftershocks but not a typical earthquake e. ?an earthquake without foreshocks or aftershocks
A surface low-pressure system that results from motions in the upper troposphere is called a ________
Fill in the blank(s) with the appropriate word(s).
You are a field geologist, dropped off in a new area. You examine the rocks of this area and find rhyolite, welded tuff, and scattered pumice
All are very young. You begin mapping the area, and soon have a rough sense of the distribution of rock units, as shown here: Note that the welded tuff varies systematically in its thickness, and that a lake is present near the center of your mapping area. How do you interpret this pattern? What will be an ideal response?
Most forests in the temperate rain forest are old growth
Indicate whether the statement is true or false