Explain why volcanic bombs take on a streamlined shape when they are flung through the air

What will be an ideal response?


Answer: Volcanic bombs are semimolten upon ejection. As they move through the air, friction with the air pulls them into a teardrop shape.

Environmental & Atmospheric Sciences

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Which of the following autonomous political units contain Turkic or Mongolian peoples

A. The North European and Middle Volga-Urals B. Siberia and the Far East C. North Caucasus D. Territories of the Far North

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Most investment in the early years of the People's Republic of China went into

A. farming B. manufacturing C. transportation D. tourism

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Examples of nontariff barriers include all of the following EXCEPT

A) quotas. B) export-restraint agreements. C) licensing standards. D) duties. E) detailed health regulations.

Environmental & Atmospheric Sciences

Which of these numbered features is a fold and thrust belt?

A. 1 B. 2 C. 3 D. 4 E. 5

Environmental & Atmospheric Sciences