1. Suppose a particular flood mitigation project has a benefit-cost ratio of 0.72, According to this ratio, is the project a success?
a. Yes, because a ratio greater than 0.5 means a project is a success.
b. Yes, because a ratio less than 1 means a project is a success. ****
c. No, because a ratio greater than 0.5 means a project is not a success.
d. No, because a ratio less than 1 means a project is not a success.
2. A town's large sugar beet processing factory is destroyed in a flood. Which of the following is a likely consequence in the next few months?
a. The cost of processing sugar beets will increase worldwide.
b. The farmers near the town will immediately plant more sugar beets.
c. The price of sugar beets will increase. ****
d. The demand for sugar beets will decrease.
3. Why is alley cropping considered a sustainable farming practice?
a. It is less expensive than conventional farming.
b. It requires farmers to know best practices for only one crop. ****
c. It allows farmers to meet current needs while preserving resources.
d. It allows farmers to focus on selling their crops locally.
4. Which of the following statements about flood mitigation projects in New Orleans is true?
a. Only small projects were completed because it is cheaper to fund repairs for damages from flooding than it is to fund flood mitigation projects.
b. The new and improved flood prevention structures require ongoing funding in order to be monitored and maintained.
c. The city now relies primarily on evacuation plans rather than physical barriers in the event of flooding. ****
d. The projects resulted in a lowering of taxes for residents of New Orleans and surrounding counties.
5. Which of the following rain forest farming strategies best balance the costs and benefits of sustainable farming? Select the two correct answers.
a. planting a crop that needs comparatively less land and fertilizer
b. clearing a new section of rain forest to ensure the health of the soil ****
c. planting large forests of one type of tree to reduce carbon dioxide in the atmosphere
d. planting multiple crops on the same land to help maintain biodiversity ****
e. growing oil palm trees for several years, then clearing the land to grow a different crop
can someone please check over these? Thanks!!!
8 answers
5 - one of the answers is wrong.
The other answers are right.
2. agree
3. do not know
4. I understand from news stories that you are unfortunately correct.
5. I would have picked a and d
A: by absorbing flood water into soil
2) The table shows the estimated costs over a 40 year period for a green roof and a traditional roof. Use the table to answer the question.
A: The green roof provides a cost benefit of $16.00 per square foot
3) The monetized costs and benefits of flood mitigation strategies are difficult to assign to which of the following?
C: The impact on health
4) Drag each phrase to the correct column to indicate whether it is a benefit or challenge of creating urban green spaces.
Benefit:
1- Providing locations for exercise and relaxation
2- Reducing greenhouse gases
3- Increasing property values
Challenge:
1- Ensuring trail safety and maintenance
2- Finding sufficient space
5) Why is alley cropping considered a sustainable farming practice?
A: It allows farmers to meet current needs while preserving resources.
6) Which of the following are possible costs of flood mitigation efforts?
1- Relocation of homes
2- Ongoing maintenance
7) Which of the following statements about flood mitigation projects in New Orleans is true?
B: The new and improved flood prevention structures require ongoing funding in order to be monitored and maintained.
8) A town’s large sugar beet processing factory is destroyed in a flood. Which of the following is a likely consequence in the next few months?
A: The price of sugar beets will increase.
9) Suppose a particular flood mitigation project has a benefit-cost ratio of 0.72, According to this ratio, is the project a success?
D: No, because a ratio less than 1 means a project is not a success.
10) Which of the following rain forest farming strategies best balance the costs and benefits of sustainable farming?
1- Planting multiple crops on the same land to help maintain biodiversity
2- Planting a crop that needs comparatively less land and fertilizer