3.5 Holding back the sea

Question 1

What is breakwater used for?

Answer 1

Breakwater is used to protect the small boats in harbor.

Question 2

What are groynes used for?

Answer 2

Groynes are used to try to stop the sand on a beach from being washed away.

Question 3

What is seawall used for?

Answer 3

Seawell is used to protect a low-lying village from flooding by the sea.

Question 4

What are drainage pipes used for?

Answer 4

Drainage pipes are used to stop cliffs from collapsing after heavy rain.

Question 5

What is barrage{barrier} used for?

Answer 5

Barrage{barrier} is used to stop a very high tide pushed along by the wind from flooding a city built on an estuary.