Which of the following is a possible benefit of flood mitigation efforts?(1 point)
Responses
They can prevent hurricanes and other damaging storms.
They can prevent hurricanes and other damaging storms.
Lower costs for flood insurance.
Lower costs for flood insurance.
They result in lower taxes.
They result in lower taxes.
They have no maintenance costs.
Lower costs for flood insurance.
Which of the following is a benefit of using agroforestry in a tropical rain forest climate?(1 point)
Responses
Growing trees provides a boost in crop output in the short term.
Growing trees provides a boost in crop output in the short term.
Growing trees increases the amount of carbon dioxide in the atmosphere.
Growing trees increases the amount of carbon dioxide in the atmosphere.
Trees shield the main crop from the effects of insects.
Trees shield the main crop from the effects of insects.
Trees protect the main crop from overexposure to the sun.
Trees protect the main crop from overexposure to the sun.
A town is considering adopting a flood mitigation strategy. The results of its study are shown in the table below. Which of the following statements provides the best analysis of the data?
(1 point)
Responses
The town should build the diversion channels because this option is more cost efficient within the first 5 years.
The town should build the diversion channels because this option is more cost efficient within the first 5 years.
The town should elevate buildings in the flood plain because the maintenance costs are lower.
The town should elevate buildings in the flood plain because the maintenance costs are lower.
The town should elevate buildings in the flood plain because the work will be completed sooner.
The town should elevate buildings in the flood plain because the work will be completed sooner.
The town should build the diversion channels because this option will displace the most people.
The town should build the diversion channels because this option is more cost efficient within the first 5 years.
What conclusion did the researchers from University of California San Diego reach regarding the best type of material to use for beach nourishment?(1 point)
Responses
Boulders should be placed near the water's edge to prevent the current from taking the new sand out to the ocean.
Boulders should be placed near the water's edge to prevent the current from taking the new sand out to the ocean.
Sandy areas of a beach should alternate with cement areas to prevent erosion.
Sandy areas of a beach should alternate with cement areas to prevent erosion.
Sand mixed with soil should be used to promote plant growth and prevent erosion.
Sand mixed with soil should be used to promote plant growth and prevent erosion.
Large, coarse grains of sand should be used since they remain on the beach longer.
Large, coarse grains of sand should be used since they remain on the beach longer.
Which of the following is a positive impact of flooding on the environment?(1 point)
Responses
groundwater recharge
groundwater recharge
creation of new aquatic habitats
creation of new aquatic habitats
improvement in drinking water quality
improvement in drinking water quality
expansion of floodplains