How does installing a seawall help mitigate flood damage?(1 point)

Question

Responses

by moving a structure above flood level
by moving a structure above flood level

by rerouting floodwaters to green spaces
by rerouting floodwaters to green spaces

by protecting floodplains from flood damage
by protecting floodplains from flood damage

by absorbing energy from storm waves
by absorbing energy from storm waves
Question 2
Which of the following is a benefit of using agroforestry in a tropical rain forest climate?(1 point)
Responses

Trees protect the main crop from overexposure to the sun.
Trees protect the main crop from overexposure to the sun.

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
Question 3
Which of the following is one effect waves have on shorelines?(1 point)
Responses

They cause shorelines to move inland.
They cause shorelines to move inland.

They cause shorelines to extend further into the water.
They cause shorelines to extend further into the water.

They cause shorelines to widen.
They cause shorelines to widen.

They cause shorelines to deepen.
They cause shorelines to deepen.
Question 4
Use the table included to answer the question.

A town is considering adopting a flood mitigation strategy.

The results of the study are shown in the table.

Which of the following statements provides the BEST analysis of the data?

(1 point)
Responses

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 fewer people.
The town should build the diversion channels because this option will displace fewer people.

The town should build the diversion channels because this option is more cost efficient.
The town should build the diversion channels because this option is more cost efficient.

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.
Question 5
Which of the floowing is an environmental benefit of green spaces?(1 point)
Responses

increased exercise and relaxation
increased exercise and relaxation

increased property values
increased property values

decrease cost of cooling buildings
decrease cost of cooling buildings

reduced amounts of greenhouse gases
reduced amounts of greenhouse gases
Question 6
Which of the following is a possible benefit of flood mitigation efforts?(1 point)
Responses

They can open a floodplain area for public use.
They can open a floodplain area for public use.

The have no maintenance costs.
The have no maintenance costs.

The result in lower taxes.
The result in lower taxes.

The can prevent hurricanes and other damaging storms.
The can prevent hurricanes and other damaging storms.
Question 7
Which of the following is an example of how green roofs save costs?(1 point)
Responses

Green roofs improve indoor air quality.
Green roofs improve indoor air quality.

Green roofs are a place for relaxation.
Green roofs are a place for relaxation.

Green roofs act as natural insulation.
Green roofs act as natural insulation.

Green roofs protect and maintain biodiversity.
Green roofs protect and maintain biodiversity.
Question 8
Flood mitigation techniques used by the federal government include which of the following?

Choose the TWO best options.

(1 point)
Responses

builds water towers to store stormwater
builds water towers to store stormwater

development of diversion techniques to divert water to green spaces
development of diversion techniques to divert water to green spaces

encourages building of farms and cities along flood plains
encourages building of farms and cities along flood plains

builds and manages dams
builds and manages dams
Question 9
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

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.

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.

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.

Large, course grains of sand should be used since they remain on the beach longer.
Large, course grains of sand should be used since they remain on the beach longer.
Question 10
What is the primary goal of sustainable farming?(1 point)
Responses

developing new crops to grow while still growing traditional varieties
developing new crops to grow while still growing traditional varieties

meeting current needs while preserving resources for the future
meeting current needs while preserving resources for the future

decreasing short-term costs and increasing long-term income
decreasing short-term costs and increasing long-term income

testing and adopting new technologies for agriculture
testing and adopting new technologies for agriculture
Question 11
Some benefits of a farmer intercropping growing both rubber and tea include which of the following?

Choose the best THREE options.

(1 point)
Responses

protection of the soil
protection of the soil

cost of intercropping
cost of intercropping

increased biodiversity
increased biodiversity

delayed results
delayed results

potentially decreased yield
potentially decreased yield

decreased deforestation
decreased deforestation
Question 12
How do both jetties and seawalls help manage beach erosion?(1 point)
Responses

Both use plants to help keep sand on the beach.
Both use plants to help keep sand on the beach.

Both are hard structures that reduce erosion caused by waves.
Both are hard structures that reduce erosion caused by waves.

Both provide flood protection in the event of high waves.
Both provide flood protection in the event of high waves.

Both bring sand to the beach from offshore.
Both bring sand to the beach from offshore.
Question 13
Which of the following is a positive impact of flooding on the environment?(1 point)
Responses

creation of new aquatic habitats
creation of new aquatic habitats

expansion of floodplains
expansion of floodplains

groundwater recharge
groundwater recharge

improvement in drinking water quality
improvement in drinking water quality
Question 14
Beach renourishment, also known as beach nourishment or beach replenishment, is a coastal management strategy that involves importing and placing sand or other sediments to restore a beach that has been eroded. Like any coastal management approach, beach renourishment has both costs and benefits.

Choose the BENEFIT from the list below.

(1 point)
Responses

tourism
tourism

environmental impact
environmental impact

maintenance
maintenance

erosion prevention
erosion prevention
Question 15
Many beaches have narrowed over time due to what?(1 point)
Responses

crop rotation
crop rotation

beach nourishment
beach nourishment

beach erosion
beach erosion

terrace farming
terrace farming
Question 16
The cost of beach nourishment for a coastal area is estimated at $5 million. If this cost is to be shared equally among four neighboring towns, how much will each town contribute?(1 point)
Responses

$1 million
$1 million

$.75 million
$.75 million

$1.25 million
$1.25 million

$1.5 million
$1.5 million
Question 17
The total cost (C) of flood damage repair is represented by the equation C=mx+b, where m is the cost per square meter of damage and x is the area of flood damage in square meters. If the cost per square meter is $50, and there is a fixed cost (b) of $10,000 for other miscellaneous expenses, what is the total cost for flood damage repair for an area of 200 square meters?(1 point)
Responses

$5,000
$5,000

$10,000
$10,000

$20,000
$20,000

$20,500
$20,500

Answer 1

Sure! Here are the answers to your questions:

Question 1: How does installing a seawall help mitigate flood damage?

• by absorbing energy from storm waves.

Question 2: Which of the following is a benefit of using agroforestry in a tropical rain forest climate?

• Trees protect the main crop from overexposure to the sun.

Question 3: Which of the following is one effect waves have on shorelines?

• They cause shorelines to deepen.

Question 4: Which of the following statements provides the BEST analysis of the data?

• The town should build the diversion channels because this option will displace fewer people.

Question 5: Which of the following is an environmental benefit of green spaces?

• reduced amounts of greenhouse gases.

Question 6: Which of the following is a possible benefit of flood mitigation efforts?

• They can open a floodplain area for public use.

Question 7: Which of the following is an example of how green roofs save costs?

• Green roofs act as natural insulation.

Question 8: Flood mitigation techniques used by the federal government include which of the following? Choose the TWO best options.

• development of diversion techniques to divert water to green spaces.
• builds and manages dams.

Question 9: What conclusion did the researchers from University of California San Diego reach regarding the best type of material to use for beach nourishment?

• Large, coarse grains of sand should be used since they remain on the beach longer.

Question 10: What is the primary goal of sustainable farming?

• meeting current needs while preserving resources for the future.

Question 11: Some benefits of a farmer intercropping growing both rubber and tea include which of the following? Choose the best THREE options.

• protection of the soil.
• increased biodiversity.
• decreased deforestation.

Question 12: How do both jetties and seawalls help manage beach erosion?

• Both are hard structures that reduce erosion caused by waves.

Question 13: Which of the following is a positive impact of flooding on the environment?

• creation of new aquatic habitats.

Question 14: Beach renourishment, also known as beach nourishment or beach replenishment, is a coastal management strategy that involves importing and placing sand or other sediments to restore a beach that has been eroded. Like any coastal management approach, beach renourishment has both costs and benefits. Choose the BENEFIT from the list below.

• erosion prevention.

Question 15: Many beaches have narrowed over time due to what?

• beach erosion.

Question 16: The cost of beach nourishment for a coastal area is estimated at $5 million. If this cost is to be shared equally among four neighboring towns, how much will each town contribute?

• $1.25 million.

Question 17: The total cost (C) of flood damage repair is represented by the equation C=mx+b, where m is the cost per square meter of damage and x is the area of flood damage in square meters. If the cost per square meter is $50, and there is a fixed cost (b) of $10,000 for other miscellaneous expenses, what is the total cost for flood damage repair for an area of 200 square meters?

• $20,000.

Please verify these answers against any materials you might have, as some questions can depend on specifics not provided.