An isotope of oxygen has 8 protons, 10 neutrons, and 8 electrons. What is the atomic mass of this isotope?
A) 16
B) 18
C) 21
D) 26
Answer: B
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Which equal volume of material expands more when the temperature is lowered?
A. Water at 4°C. B. Helium. C. Iron. D. Wood.
Midlatitude anticyclones are likely to form at which part of a Rossby Wave? Where
A) air diverges and accelerates. B) air diverges and slows. C) air converges and accelerates. D) air converges and slows.
John Tuzo Wilson proposed a theory stating that the Earth's outer layer is made up of _____.
A ) a dozen separate plates B ) a thin layer of ancient soil C ) a dozen subduction zones D ) a dozen spreading centers
How do temperature extremes for the continents compare to temperature extremes for the oceans?
A. Continents have larger temperature extremes than oceans. B. Continents have smaller temperature extremes than oceans. C. Both display the same temperature extremes.