Where would you find an estuary?
A) In an area of high primary production within the pelagic zone
B) Near a deep-sea vent, where sulfur provides chemical energy for organisms at the bottom of a marine food web
C) Where a river flows into an ocean
D) In a marine reserve, where fishing has been banned
C
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A wind shift in a counterclockwise direction, as from east to north, is termed ________ wind shift
A) backing B) cyclonic C) frontal D) veering
Wind exists because of density differences is the atmosphere. What factors determine differences in atmospheric density?
What will be an ideal response?
Which of the following bands are NOT used by the Earth-sensing satellites mentioned in the text?
A) X-rays B) Color infrared C) Panchromatic D) Thermal infrared E) Visible red
Which of the following is true about how contamination moves in groundwater?
A) Contamination moves up the slope of groundwater. B) Contamination moves opposite to the direction of groundwater flow. C) Contamination introduced into the ground does not move. D) Contamination spreads out as it moves, forming a widening plume.