All of the following are true regarding sunspot activity EXCEPT
A. The Little Ice Age occurred when there was a minimum of sunspot activity.
B. Solar flares are more common with maximum sunspot activity.
C. There is, on average, an 11 year cycle for sunspot cycles.
D. More sunspot activity means less overall energy emitted from the sun.
Answer: D
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Indicate whether the statement is true or false.
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Indicate whether the statement is true or false
What proportion of sulfur compounds in the atmosphere come from natural sources?
A) 1/10 B) 1/5 C) 1/3 D) 2/3
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