Question

In 3–5 sentences, construct an argument for why beach nourishment is or is not a viable strategy to manage beach erosion. (4 points)

Answer 1

In 3–5 sentences, explain the various factors that should be considered when implementing green roofs.(4 points)

Answer 2

Which of the following is a benefit of using agroforestry in a tropical rain forest climate?(1 point)
Responses

Trees shield the main crop from the effects of insects.
Trees shield the main crop from the effects of insects.

Growing trees increases the amount of carbon dioxide in the atmosphere.
Growing trees increases the amount of carbon dioxide in the atmosphere.

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.

Answer 3

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.

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, 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.

Sandy areas of a beach should alternate with cement areas to prevent erosion.

Answer 4

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

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

Both bring sand to the beach from offshore.
Both bring sand to the beach from offshore.

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

Both provide flood protection in the event of high waves.

Answer 5

Which of the following is an example of how green roofs help save costs?(1 point)
Responses

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 improve air quality.
Green roofs improve air quality.

Green roofs protect and maintain biodiversity.