What types of rocks would be most common in the volcano in this photograph?
A) Scoria and other vesicular basalt
B) Basalt mostly formed in lava flows
C) Felsic and intermediate lava flows
D) Pillow basalts
E) None of these are correct.
C) Felsic and intermediate lava flows
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____ is a measure of the amount of energy available to do useful work.
A) ?Energy quality B) ?Energy effectiveness C) ?Energy conservation D) ?Energy efficiency E) ?Energy radiation
The alternative to producing ethanol from corn in the U.S. is called __________ ethanol.
Fill in the blank(s) with the appropriate word(s).
The coldest air mass is
A) maritime polar. B) continental tropical. C) maritime tropical. D) arctic.
Since data collection began in 1978, the overall energy emitted from the sun has:
A) increased dramatically. B) increased slightly. C) decreased dramatically. D) decreased slightly.