Which processes in the hydrologic cycle recharge the aquifer? What will be an ideal response?
Infi ltration replenishes the aquifer. Students may also suggest that runoff recharges the
aquifer because the water goes into the stream and infi ltrates at the stream bottom.
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A geographic information system is unable to create maps with a three-dimensional perspective
Indicate whether the statement is true or false
A compass needle may not point directly to the north geographic pole
a. True b. False Indicate whether the statement is true or false
Cyclone
?
The following questions refer to the above illustration of a middle-latitude cyclone. The dashed lines show the positions of the fronts six hours ago.
At which location represented by the four positions on the map would you expect to hear the following 12-hour forecast: "Cloudy with possible showers today, turning colder by tonight"?
A. position 1 B. position 2 C. position 3 D. position 4
What is the main reason why the oceans are salty?
A) The early oceans were salty because comets are dirty snowballs. B) Salt deposits that formed early in Earth's history become dissolved by modern oceans. C) Weathering of rocks releases chemical elements that make the oceans salty. D) Blowing salt crystals become incorporated into clouds and falls with the rainfall.