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1. During the 20th century, the world population tripled, while

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1. During the 20th century, the world population tripled, while water use per person increased by six times. (Points : 1)

2. What is the biggest cause of biodiversity loss in almost every ecosystem, including prairies, forests, wetlands, and estuaries? (Points : 1)
Rising temperatures
Destruction of habitat
Dependence on salt water
Global decline in amphibian populations

3. Which of the following is not an example of a soft-path solution? (Points : 1)
Community-operated ditches
Micro-sprinkler systems
New cross-country pipelines
Protecting a pond’s ecosystem

4. What is the term for a climate or region of low annual rainfall and frequent droughts? (Points : 1)

5. The United States has lost 50 percent of its wetlands since colonial times. (Points : 1)

6. In-place fossil fuel resource statistics can be misleading because they (Points : 1)
represent only unconventional deposits.
represent only conventional deposits.
do not reflect technical or economic recoverability.
do not reflect worldwide fossil fuel availability.

7. Which of the following is not an environmental concern associated with mountaintop mining? (Points : 1)
A demonstrated reserve base
Polluted rivers or streams
Compromised ecosystems
The creation of public health issues that affect local populations

8. Pressure exerted by natural gas or water to lift oil to the surface of a reservoir is known as (Points : 1)
conventional drive.
water drive.
artificial lift.
gas drive.

9. How might a rainstorm affect oil and gas drilling sites? (Points : 1)
Drilling rigs and electrical equipment can become flooded and damaged.
Acid rain, evaporated from flowback, can damage drilling sites.
Storm water runoff can transport polluted sediment to nearby surface water.
Fracturing fluids can be diluted to the point of ineffectiveness.

10. The authors claim that global warming cannot be stopped without controlling the major release of what substance into the atmosphere? (Points : 1)
Carbon monoxide
Carbon dioxide

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