How is the velocity of underground water measured?
A) with a hydrometer
B) by injecting and tracking a tracer chemical at different points
C) by interpretation of seismic readouts
D) by tracking the progress of a radioactive tracer through the ground
Answer: B
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Areas where plates slide past one another, usually are right angles to a seafloor spreading are
A) divergent boundaries. B) areas of seafloor spreading. C) transform boundaries. D) convergent boundaries.
Large withdrawals of groundwater can cause compaction resulting in a sinking of the land called _____
a. subduction b. subsidence c. tectonism d. percolation e. a cone of depression
The melting point of ice is 32°C
Indicate whether the statement is true or false
What region of the world has the most remaining potential to develop hydropower?
A) developed world countries B) developing world countries C) Russia and Eastern Europe D) all of the above have barely used this energy source (less than 1% of its potential has been tapped) E) all of the above regions have maximized their use of waterpower sites