Most of the world's ethanol is produced in the U.S. and ________
A) the Maldives
B) Mexico
C) Brazil
D) Tuvalu
E) China
Answer: C
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What are the basic differences between the disciplines of physical and historical geology?
A) Physical geology is the study of fossils and sequences of rock strata; historical geology is the study of how rocks and minerals were used in the past. B) Historical geology involves the study of rock strata, fossils, and geologic events, utilizing the geologic time scale as a reference; physical geology includes the study of how rocks form and of how erosion shapes the land surface. C) Physical geology involves the study of rock strata, fossils, and deposition in relation to plate movements in the geologic past; historical geology charts how and where the plates were moving in the past. D) none of the above
The mantle is the largest layer in terms of mass and volume
Indicate whether the statement is true or false
Which process will remove CO2 from the atmosphere and sequester it?
A) Volcanic activity B) Deposition of carbonate sediments C) Decay of biomass D) Respiration of land organisms
A hot “bubble” of air is called a(n) ____________________
Fill in the blank with correct word.