What is the role of water in the asthenosphere?
A) It forms underground lakes and rivers.
B) It composes part of many rock-forming minerals.
C) It induces the melting of rocks.
D) It acts as a solvent to dissolve rocks.
Answer: C
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True or False: A self-sustaining geodynamo in the outer core generates Earth's magnetic field
Indicate whether this statement is true or false.
Two processes which chemically alter parent material are
A. freezing and thawing. B. oxidation and hydrolysis. C. decomposition and oxidation. D. hydrolysis and liming.
If you were exploring for natural resources, such as metallic minerals, oil, or gas, what geologic structures would you look for and why?
What will be an ideal response?
Why does the Northern Hemisphere have warm summers? Choose all that apply.
A) The Sun's energy is more concentrated. B) The north pole is tilted toward the Sun. C) Earth is closer to the Sun in June. D) The Sun's rays hit the ground at a more perpendicular angle. E) Days are longer.