An analogy of the materials of Earth's interior is
A. a balloon (thin stretchable shell and air)
B. a baseball (soft shell and compressible core)
C. an egg (thin shell, white, yolk)
D. a bowling ball (rigid shell and air)
Answer: C
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Horsts are:
A) blocks of crust jostled upward along normal faults. B) blocks of crust jostled downward along normal faults. C) blocks of crust jostled left along normal faults. D) blocks of crust jostled right along normal faults.
Photosynthesis removes this gas from the atmosphere: ________
Fill in the blank(s) with the appropriate word(s).
The Köppen system implies that there is a gradual transition between climatic zones, when in reality there is a sharp boundary
a. True b. False
Geopressurized natural gas is gas
A. formed at low pressures before a fossil fuel deposit has matured sufficiently to form oil. B. found in pockets in coal mines. C. dissolved in deep pore waters. D. under pressure from associated oil.