The term "ground water mining" refers to
A) the use of ground water to mine minerals.
B) the removal of overlying rock to reach ground water.
C) the removal of ground water at a rate faster than that at which it can be replaced.
D) the excavation of tunnels to reach ground water.
C
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Given that the bond energy of N2 is 946 kJ/mole, the bond energy of O2 is 498 kJ/mole and the NO bond energy is 631 kJ/mole, how much energy is required to react 1 mole of nitrogen molecules according to the following reaction? N2 + O2 ? 2 NO
A. 813 kJ B. 2075 kJ C. ?182 kJ D. 182 kJ E. ?813 kJ
The ____________________ approach to recycling saves energy, provides jobs, and educates people about how to reduce waste
Fill in the blanks with correct word
Which of the following is NOT a way that volcanoes and magma can cause earthquakes?
A. Many volcanoes have steep, unstable slopes that can cause landslides that shake the ground. B. Moving magma within or below the volcano can cause earthquakes. C. Volcanoes can load the crust, causing faulting and earthquakes. D. Volcanic explosions cause seismic waves. E. All of these are ways that volcanoes can cause earthquakes.
What happened when the spreading center that generated the Farallon plate collided with the North American plate?
A) A mantle plume formed. B) A divergent plate boundary was created. C) The spreading center subducted, resulting in the Yellowstone Hot Spot. D) A transform boundary was created.