A low-velocity flow over a smooth stream bed produces a
A) turbulent flow.
B) churning action.
C) laminar flow of individual particles.
D) extreme traction.
Answer: C) laminar flow of individual particles.
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Which of these is the least efficient way to heat your home?
A. electric heat B. natural gas furnace C. passive solar D. geothermal
Most aquifers are rapidly recharged through precipitation that percolates downward through soil and rock
Indicate whether the statement is true or false
Inversions:
A) are characterized by an increase in temperature with altitude. B) increase the positive buoyancy of most air masses that enter them. C) have no significant effect on fog formation. D) are typically unstable.
What would fossil ages from the geologic timescale and an isotopic age on the granite tell us about the age of the unconformity?
A. It is not possible to have fossils preserved so close to granite. B. The unconformity is older than the age assigned to the fossils. C. The granite is younger than the unconformity. D. The unconformity is older than the isotopic age of the granite. E. None of these choices are correct.