Removing electrons from a metal paper clip results in the clip becoming
A. ionized.
B. positively charged.
C. negatively charged.
D. none of the above
Answer: B
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English is the most important language in North America primarily because of
A) the diffusion of English colonies. B) the Norman conquest. C) the global dominance of the United States. D) official government policy. E) prohibitions against foreign languages.
What is the significance of stromatolites?
a) They are composed of benthic patches of bacteria found at hydrothermal vents. b) Cyanobacteria produce carbonate structures in warm shallow seas that can date back to 3 billion years ago. c) They are composed of siliceous deposits of diatoms and dinoflagellates. d) They are composed of biogenous deposits of foraminiferans and coccolithophores.
A flipping subduction zone is most closely associated with ________.
A. gravitational collapse and spreading B. fold and thrust belts C. continental collision D. seafloor spreading E. the collision of an arc with a continent
Why does adding particles to the atmosphere affect visibility?
What will be an ideal response?