32. How does stormwater management help control flooding in cities?
A. It incorporates seawalls as a way to stop floods.
B. It includes providing areas of green space to help with runoff.
C. It mandates elevating all structures above flood level.
D. It helps to relocate homes off of the floodplain.
B. It includes providing areas of green space to help with runoff.
12. In which situation would alley cropping be most useful for sustainable farming?
A. growing crops on a mountainside
B. growing crops that need the same nutrients from the soil
C. growing crops that require a lot of shade
D. growing crops in an area with little rainfall
C. growing crops that require a lot of shade
6. Which of the following are challenges to implementing sustainable farming practices? Select the two correct answers
A. lack of pollinating insects
B. higher initial costs
C. increased erosion
D. increased labor costs
E. increased need for fertilizer
7. Which of the following sources of pollution decrease the oxygen level of water? Select the two correct answers
A. gasoline
B. plant fertilizer
C. animal manure
D. radioactive substances
E. toxic metals
8. Why are sinkholes one major environmental risk of underground mining?
A. Underground mines release gases, which causes sinkholes.
B. Underground mines are more likely to cause water pollution, which causes sinkholes.
C. Underground mines may collapse after mining is complete, which causes sinkholes.
D. Underground mines are more likely to cause erosion, which causes sinkholes.
9. Which of the following would lower the levelized cost of energy (LCOE) for a project? Select all that apply
A. increase capital expenses
B. decrease capital expenses
C. keep capital expenses less than total production
D. increase total production
E. decrease total production
10. A scientist observes that a region covered by permafrost a few years ago has now thawed. How could this trend be related to the use of fossil fuels?
A. Particulate matter covers and warms the ground.
B. Greenhouse gases trap more heat in Earth's atmosphere.
C. Soil thaws more easily as it becomes more acidic.
D. Factories using fossil fuels generate heat.
6. B. higher initial costs and D. increased labor costs
7. B. plant fertilizer and C. animal manure
8. C. Underground mines may collapse after mining is complete, which causes sinkholes.
9. B. decrease capital expenses, D. increase total production
10. B. Greenhouse gases trap more heat in Earth's atmosphere.
The correct answer is B. It includes providing areas of green space to help with runoff.
Stormwater management plays a critical role in controlling flooding in cities. By implementing effective stormwater management techniques, cities can minimize the impacts of intense rainstorms and reduce the risk of flooding. Here's how it works:
One of the ways stormwater management helps control flooding is by incorporating the provision of green spaces within cities. Green spaces, such as parks, gardens, and open fields, are designed to absorb and retain rainwater. When it rains, the green spaces act as sponges, soaking up the excess water and reducing the amount of runoff flowing into storm drains and waterways.
By providing areas of green space, cities can create a network of natural infrastructure that helps manage stormwater. This reduces the burden on conventional systems, such as storm drains and sewers, which can quickly become overwhelmed during heavy rain events. Green spaces not only absorb water but also help to slow down its movement, allowing it to gradually infiltrate into the ground or be released more slowly into nearby water bodies.
In addition to green spaces, stormwater management also includes other techniques such as the use of permeable pavements, rain gardens, and retention ponds. These features are designed to capture, absorb, and treat stormwater, preventing it from overwhelming the drainage system and causing flooding.
So, in summary, stormwater management helps control flooding in cities by incorporating areas of green space, which act as natural reservoirs for rainwater and reduce the amount of runoff entering the storm drainage system.