SCI 207 Quiz

Topics: Ozone depletion, Greenhouse gas, Ozone Pages: 6 (1734 words) Published: November 17, 2014
SCI 207 Quiz

Week 2 Quiz – correct response is marked with asterisk (*)

1. Question: A decrease in “food miles” will most likely increase the environmental impact of any given food.

True
False *

Question 2. Which of the following statements about ground water is not true, according to your text?

Underground aquifers hold approximately 99% of all the liquid fresh water.

More than 75% of underground water has a replenishment time of centuries or more, making it non-renewable.

Increased water withdrawal from underground aquifers makes them more susceptible to droughts.

Depletion of ground water may lead to land compaction that in turn decreases its ability to store water.

All of the statements about ground water are true. *

Instructor Explanation:The answer can be found in Section 5.1 of your text.

Question 3. Which of the following is not an environmental impact of conventional agriculture expressed in your text?

Agricultural practices improve wildlife habitats and lead to increased species populations in farming communities. *
Agricultural practices can lead to significant air quality concerns through the emission of ammonia, nitrous oxide, methane, and other potentially dangerous gases.

Poor soil management can lead to biological, chemical, and physical degradation, which can in turn negatively alter the activity of soil fauna.

Major agricultural pollutants such as pesticides can enter surface water and pose serious risks to human health.

All of the above are environmental impacts of conventional agriculture.
Instructor Explanation:The answer can be found in Section 3.2 of your text.

Question 4. Which of the following statements summarizes the water situation in China that was discussed in your text?

China has been able to avoid major water shortages due to its construction of the Three Gorges Dam, which provides electricity and agricultural water throughout China.
Due to the water-rich Yangtze River Basin, China has been able to provide clean water to much of the highly populated region, even in the face of growing population.

Due to its large population, China is experiencing water shortages that have significantly decreased numerous wildlife populations. *

In the face of a growing population, China has begun to use desalination techniques to provide ample clean water to its people and agricultural soils.

All of the statements about water in China are true.

Instructor Explanation:The answer can be found in Section 5.3 of your text.

Question 5. Which of the following statements best summarizes the Seafood Print research discussed in your text?

Through catch and release methods, researchers determined that second order fish are in danger due to overfishing,
By monitoring eating habits, researchers found that rich nations underestimated their impacts on fish populations, which could in turn threaten the future of certain species. *
By tagging apex species, researchers determined there is no immediate danger to large fish populations within our oceans.

Utilizing GPS tracking techniques, researchers suggest planned conservation efforts that surround fish migration patterns.

None of the above statements summarize the SeafoodPrint research. Instructor Explanation:The answer can be found in Section 3.4 of your text.

Question 6. What is the central theme of “The case of Albuquerque” section in Chapter 5.4 of your text?

In the face of a major water crisis, a number of governmental initiatives, including altered water-use codes, rebates, and decreased water use to more sustainable levels. *

As the population of Albuquerque continues to grow, increased revenue from taxes will be able to solve the city’s water crisis.

The impending water crisis in Albuquerque was solved through the desalination of brackish water from a nearby canal.

Currently, Albuquerque is faced with a major water crisis that has no...
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