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.
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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
Most investment in the early years of the People's Republic of China went into
A. farming B. manufacturing C. transportation D. tourism
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.
Which of these numbered features is a fold and thrust belt?
A. 1 B. 2 C. 3 D. 4 E. 5