How frequently do supercell thunderstorms become severe?
A. They always become severe.
B. They become severe occasionally.
C. They become severe often.
D. They become severe rarely.
Answer: C
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Mid-latitude cyclonic storms are better developed in the United States during the coldest months because the polar jet stream ____
A) is weakest in the winter B) moves farther north in the winter C) is shut down in the winter D) moves farther south in the winter
Although conditions have changed markedly relative to agriculture in the southern United States and industry in the northern United States, the largest concentration of African-American population remains in the American South.
Answer the following statement true (T) or false (F)
Which of the following is a policy initiative of Germany to help reduce carbon dioxide emissions?
A. a tax on the use of energy sources such as coal, coke, and lignite B. setting a goal to provide 80% of electricity from renewable resources by 2050 C. low interest loans for the installation of solar energy technology D. a tax on motor freight per distance traveled E. All statements are correct.
Which of the following is NOT one of the three types of tectonic activity that causes orogenesis along convergent boundaries?
A) Continental plate-continental plate collision B) Oceanic plate-oceanic plate collision C) Oceanic plate-continental plate collision D) Oceanic plate-continental plate collision, oceanic plate-oceanic plate collision, and continental plate-continental plate collision are all correct.