What is the main problem with solar energy?
A) cost
B) demand is too high
C) pollutants
D) It is too cheap for utility companies to make a profit.
E) International agreements prevent countries from sharing this technology with one another.
A
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What discovery led to the discrediting of Varro's theory of cultural evolution?
What will be an ideal response?
In the Earth's atmosphere, only 50% of atmospheric gas lies at elevations below 50 km
a. true b. false
Geography does not have significant educational value and is mainly useful for trivia and memorable factoids
Indicate whether the statement is true or false
If you live on the east coast of Florida or the Gulf Coast, why might you hope for an El Niño year?
A) It will decrease the chances of heavy summer thunderstorms and floods. B) It will bring clear, cool summer conditions, albeit dry. C) It will decrease the probability of tropical cyclones. D) It will produce a warmer summer, but with less rain than normal.