Much of what we know about the internal structure and composition of Earth has come from the study of:
a. satellite imagery.
b. seismic waves.
c. volcanic eruptions.
d. Mars.
e. deep-ocean sediments.
B
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As shown in the Discussion Starter of this chapter, 4% of the 9.6 quadrillion Btu of renewable energy in 2014 came from solar systems. How much coal is saved (not consumed) because of the solar energy segment? Assume coal has an average energy content of 10,000 Btu per pound and a coal-fired power plant has an efficiency of 36% and a 6% loss in the transmission lines.
What will be an ideal response?
The most stable layer in terms of temperature and density is the mixed layer
Indicate whether the statement is true or false
The Sierra Nevada batholith consists of a number of plutons with contrasting chemical composition
Indicate whether the statement is true or false
Worldwide, the fastest growing cities today are mostly ________
A) small cities in the southern United States, such as Austin, Texas, and Raleigh, North Carolina B) cities in the northern United States, such as Chicago, Illinois, and Portland, Oregon C) cities in developing nations, including Cairo, Egypt, and Mumbai (Bombay), India D) large cities worldwide, such as Paris, London, and Los Angeles E) the megacities such as Tokyo, Mexico City, and New York City