The Little Ice Age (LIA) may have been caused by
A) periods of high sunspot activity.
B) periods of no solar irradiance.
C) Keeling curves.
D) periods of low sunspot activity.
Ans: D) periods of low sunspot activity.
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Among the countries of the Near Abroad, the poorest in terms of per capita GNI is:
A) Belarus B) Ukraine C) Russia D) Georgia
Where do most super-cells form?
A. between cP and mT air masses along a cold front B. between cP and mP air masses along a cold front C. between cP and mP air masses along a warm front D. between cP and mT air masses along a warm front
The self-sustaining cascade of nuclear fission is called a(n) ____ reaction.
A. light-water B. sequestration C. rod D. chain E. cycle
What is the protolith (i.e., parent rock) of Quartzite?
a. Limestone b. Mudstone c. Shale d. Quartz-rich sandstone