The temperature in a lighting flash ________
A) is several thousand degrees Celsius (or Fahrenheit)
B) usually melts the atmosphere around it
C) is approximately that of an ordinary light bulb
D) cannot be measured, and so, is unknown
E) is about the boiling point of water
Answer: A
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Jean stands on slippery ice and catches her leaping dog Daisy. After the catch, the momentum of both
A. increases. B. decreases. C. does not change. D. none of the above
If the Moon had an iron core, what would happen to lunar tides?
a) Nothing because the tide is caused by the Moon's orbital motion b) The barycenter would change and the tides would become larger because the Moon is more massive c) The tides would become smaller because the Moon would be smaller d) The tides would be more frequent because the Moon would speed up e) The tides would be less frequent because the Moon would slow down
The provision of services constitutes this form of employment
A) primary B) secondary C) tertiary D) quaternary E) none of the above
Sediment that is supplied to braided streams that are melting from continental glaciers forms an
outwash plain. Indicate whether the statement is true or false.