An example of a density-independent factor would be ________
A) a plant parasite, such as mistletoe
B) blight (a mold disease) in a wheat field
C) cold weather causing a lake to freeze
D) suitable nest sites for a flock of warblers
E) a specialist searching for the one species of plant that is its food
C
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Which of the following statements describes what is required for a forecast to show skill?
A. It must be better than a forecast based on persistence or climatology. B. It must be accurate over more than 90 percent of the forecast area. C. It must be accurate to within 2°C of the predicted temperature. D. It must use the analogue method of forecasting.
Which of the following defines the ridges on a weather map?
A. dying hurricanes B. elongated high-pressure areas C. elongated low-pressure areas D. mountains that stall the movement of storms
Subduction produces mountains because subduction zones are the upwelling zones of mantle convection, which lifts the earth's surface to form mountains
Indicate whether the statement is true or false
Precision Depth Recorder (PDR)
What will be an ideal response?