Explanation:
cost
benefit
The flood mitigation projects have initial startup costs and ongoing maintenance costs over the years. However, apart from the costs, these have additional benefits like lower insurance costs due to protected infrastructure and reduced flood damage, along with employment opportunities during building and maintenance.
Further Explanation:
Flooding usually happens when lots of rainfall occurs in relatively short time periods. These are usually enough to cause rivers to overflow their banks and also occur when storms force large volumes of water from the ocean to travel inland. Typically these occur in arid ecosystems, having low average rainfall- the water accumulates in dry regions and saturates the area. This phenomena are majorly destructive and can uproot trees, destroy bridges, buildings and other infrastructure while leading to loss of life.
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Answer:
1)
Q: When creating an urban green space, which of the following needs to be determined in order for the space to provide the most benefit to the most people?
A: the proximity of the space to the city's population
2)
Q: Drag each phrase to indicate which flood mitigation technique it describes.
A: floodplain management: (protects buildings in low-lying areas prone to floods)
stormwater management: (enhanced by the addition of urban green spaces, reduces water runoff into streets lawns and other sites)
elevated structures: (raises structures above flood level, used mainly on the coast
3)
Q: Drag each phrase describing flood mitigation projects to the appropriate box to indicate whether it is a cost or a benefit.
A: cost: (ongoing maintenance, initial design and construction)
benefit: (lower insurance costs, employment opportunities, protection of infrastructure)
4)
Q: Drag each sustainable farming practice to indicate whether it is best suited for the desert, the rain forest, or mountains.
A: desert:(green houses, hydroponics)
rain forest:(alley cropping)
mountains:(terrace farming)
5)
Q: Which of the following is a negative impact that flooding can have on the environment?
A: reduction of microbial populations
6)
Q: How do green roofs compare to traditional roofs?
A: Green roofs initially cost more to install.
7)
Q: Drag each phrase into the correct column for the beach erosion strategy it describes.
A: jetty:(hard structure built perpendicular to shore, can cause sand buildup on updrift side of structure)
beach nourishment:(brings in more sand to replace erosion)
seawall:(hard structure that also provides flood protection, prevents erosion by directing waves back to ocean)
8)
Q: Why is beach nourishment considered mostly a short-term strategy for fighting beach erosion?
A: It must be repeated every 5 to 7 years.
9)
Q:Drag each effect of agroforestry in the rain forest to indicate whether it is a cost or a benefit.
A: Costs: (higher start-up expenses, increased need for labor)
Benefits: (higher amount of carbon storage, higher amount of nitrogen in the soil, increased numbers of pollinating insects)
10)
Q:What effects can erosion have on a beach? Select the two correct answers.
A: It can cause lower beach elevations. & It can cause narrower beaches.
Explanation:
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