Which of the following is true of pH?
A) It can be used to determine the chemical identity of an acid.
B) It is a measure of acid concentration.
C) It is a measure of acid strength.
D) It is a measure of the overall acidity.
D
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Your ____________________ refers to the set of assumptions and values you hold with regard to your role in the world.
Fill in the blank(s) with the appropriate word(s).
A rain shadow is most likely to be produced by a
a. Forest b. Ocean c. Lake d. sand dune e. Mountain
Use your knowledge of plate boundaries to answer whether a volcano is likely or unlikely to form at the location of the red triangle.
A) Likely
B) Unlikely
The aurora borealis will most likely be stronger:
A) above the South Pole. B) when there is a lot of solar flare activity. C) when there are few ions in the ionosphere. D) nearest the equator.