Which of the following has the highest quality energy?
A. A warm brick
B. Hot air
C. An intense fire
D. A flowing stream
E. A rock rolling downhill
Answer: C
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Using Figure 9.15 in your textbook, what is the ratio of cubic kilometers of water in ice to water in rock-forming minerals?
A) 27.5 million: 420 million B) 420 million: 27.5 million C) 420 million: 8.35 million D) 1.35 billion: 420 million
A spelunker is a(n) ____
a. dry artesian well b. excellent aquifer c. feature deposited in a cavern d. person who explores caverns
Among plants, a condition that results in an increase in the number of sets of chromosomes, is called
A. multi-genetics. B. haploid. C. polyploidy. D. diploid.
Worldwide, soil has an average depth of ________ centimeters (________ inches)
A) 1, (0.39) B) 15, (6) C) 45, (18) D) 90, (36) E) 150, (60)