Due to many states' recent bans on MTBE, the use of ethanol in gasoline is increasing. What are some potential outcomes of the shift to ethanol?
a. Increased water pollution from fertilizers and pesticides
b. Increased use of MTBE in corn-growing states
c. Decreased revenue for corn-growing states
d. Decreased gasoline prices for East and West coast states
Answer: a. Increased water pollution from fertilizers and pesticides
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Of the mountain and island countries, the only one that is dominantly Hindu is
A. Sri Lanka B. Bhutan C. Nepal D. Maldives
Sakhalin Island lacks major mineral deposits
Indicate whether the statement is true or false
One main difference between lake coasts and the ocean coast is that:
a. lake coasts do not have wind waves. b. lake coasts do not have beaches. c. lake coasts do not have the effect of tides. d. lake coasts do not have spits. e. lake coasts do not experience wave refraction.
What would fossil ages from the geologic timescale and an isotopic age on the granite tell us about the age of the unconformity?
A. It is not possible to have fossils preserved so close to granite. B. The unconformity is older than the age assigned to the fossils. C. The granite is younger than the unconformity. D. The unconformity is older than the isotopic age of the granite. E. None of these choices are correct.