Which earth material has the highest porosity?
A. Shale
B. Cemented sandstone
C. Granular material that is unconsolidated
D. Limestone
Answer: C
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Given the trend and location of the 40-foot elevation contour, if you were walking along the water’s edge, how would you characterize the topography and relief of the coastline? Steep? Gentle relief?
Use Figure 23.3 to do the following work and answer the question.
What will be an ideal response?
The diseases that are caused by water pollution in the major cities of developing countries are mainly due to the
A. Practice of swimming in water contaminated by toxic chemicals B. High amount of runoff that includes pesticides, fertilizers, and animal waste C. Lack of waste treatment systems to accommodate the population D. High number of industries that dump their wastes into surface water E. High use of pesticides and fertilizers by urban residents
Hydraulic ____________ uses a pressurized injection of water, sand, and chemicals into oil wells to rupture the rock
and increase the amount of oil and natural gas that can be recovered. What will be an ideal response?
Which of the following is NOT a technique for managing wildlife?
A. predator control B. introduction of exotic species C. habitat management D. establishment of refuges