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