All of the following are true regarding sunspot activity EXCEPT
A. there is, on average, an 11 year cycle for sunspot cycles.
B. the Little Ice Age occurred when there was a minimum of sunspot activity.
C. solar flares are more common with maximum sunspot activity.
D. more sunspot activity means less overall energy emitted from the sun.
Answer: D
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What makes actor-network theory so radical is that it challenges the idea that:
A) people have social networks. B) people understand their environment. C) people cannot live in isolation. D) people have free will. E) people do not have access to resources.
Occasionally, a layer of cool air forms under a layer of warmer air in the troposphere, which is different from the normal conditions. This change from the normal temperature profile in the troposphere is called a ________
A) thunderstorm B) temperature or thermal subversion C) temperature or thermal inversion D) tornado E) cold front
Seventy-two percent of the population of Curitiba, Brazil rely on the city bus system on a daily basis.
Answer the following statement true (T) or false (F)
The population of the United States has stopped growing.
Answer the following statement true (T) or false (F)