Most precipitation falling on terrestrial ecosystems becomes ____.
A. surface runoff into lakes, streams, and the ocean
B. ice in glaciers
C. groundwater in aquifers
D. storage as part of rocks
E. storage in living components of ecosystems
Answer: A
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Liquefaction occurs when
A) rock heats enough that it behaves like a liquid. B) rivers and water bodies overrun and dissolve earth materials during a quake. C) grains of earth materials settle downward during shaking and wet ground becomes fluid. D) grains rise up to the surface in groundwater during an earthquake and cause mass movement.
Businesses facing environmental regulations often try to have people from their industry appointed to high positions within the corresponding regulatory agencies.
Answer the following statement true (T) or false (F)
?A change in environmental conditions leads to adaptation only for genetic traits already present in a population's gene pool, or if they arise from mutations that occur randomly.
Answer the following statement true (T) or false (F)
An asymmetrical hill of exposed bedrock produced by plucking and abrasion is known as a(n)
A) drumlin. B) esker. C) bergschrund. D) roche moutonnée.