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

Environmental & Atmospheric Sciences

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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

Environmental & Atmospheric Sciences

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)

Environmental & Atmospheric Sciences

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.

Environmental & Atmospheric Sciences

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.

Environmental & Atmospheric Sciences