According to this graph, which shows water balance for the Ogallala aquifer, which of the following statements are true?
A. Less water is taken out of the aquifer than is gained from recharge.
B. More water is taken out of the aquifer than is gained from recharge.
C. Springs and rivers take out more water than does pumping.
D. As the aquifer dewaters, it expands, increasing the amount of pore space in which to store water.
Answer: B
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An environmental scientist is least likely to be involved with which of the following?
A) studying X-ray emissions for evidence of black holes B) launching NASA satellites that monitor changes in carbon dioxide production on Earth C) studying the relationship between soil fungi and aspen trees in areas that are being restored after oil sand mining D) helping a rancher determine the best ways to rotate herds of cattle to reduce erosion E) determining the best fuel to generate electricity for a growing city in Arizona
The near infrared is the Landsat spectral band used for identification of ________
What will be an ideal response?
The lowest layer of the atmosphere is the ________
troposphere mesosphere stratosphere ionosphere
During summer near the North Pole, how much time does the sun spend lying above the horizon, when compared to the mid-latitudes?
A. The sun starts lying and disappearing above the horizon later. B. The sun lies above the horizon for a shorter period of time. C. The sun lies above the horizon for a longer period of time. D. The sun lies above the horizon for the same amount of time.