Which of the following best describes why access to water will likely become a source of international conflict in future decades?
a. Pollution rates are expected to increase.
b. About 40 percent of the world's population depends on water from water systems shared by at least two states.
c. The use of hydroelectric power will increase dramatically
d. By 2025 the global demand for water is expected to exceed supply by 56 percent.
e. Both options b and d are correct.
Question 2
Which of the following does not contribute to environmental degradation?
a. Water shortages
b. Shifts from a meat-based diet to a primarily vegetarian diet
c. Soil erosion
d. Deforestation
e. Increased demand for bio-fuels
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