What do closely spaced isobars on a map indicate?
a. strong pressure gradient
b. northerly winds
c. winds of low velocity
d. weak breezes
a
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When roads are built into previously inaccessible forest areas to harvest timber, all of the following things happen except:
a. the forest becomes fragmented b. topsoil erodes c. biodiversity is lost d. sediment runoff occurs in waterways e. the forest ecosystem remains intact with no disturbance or damage
The energy in the sunlight striking the earth for just 1 hour is enough to run the world's economy for
a. one hour b. one day c. one week d. one month e. one year
The vibrations of a transverse wave move in a direction
A) along the direction of wave travel. B) at right angles to the direction of wave travel.
What is meant by the term "baseflow?"
A. The level of flow on a floodplain B. The speed of water flowing along the base of a channel C. The level of flow when fed by groundwater alone D. The level of flow during a flood