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Coastal Erosion Quiz

Coastal Erosion Quiz

MCQs on Coastal Erosion Let’s do something different for a change! Let’s put all the fun and crazy quizzes on the side and do something more intellectual. Let’s learn more about coastal erosion, answer some question, and by the end of this quiz be smarter people. What do you say about it? Do you like the idea? First of all, do you know anything about coastal erosion? There are two standard definitions of coastal erosion. It is frequently characterized as the misfortune or uprooting of land along the coastline because of the activity of waves, flows, tides, wind-driven water, waterborne ice, or different effects of storms. For this situation, the landward retreat of the shoreline, estimated to a given spatial datum, is depicted over a worldly size of tides, seasons, and other momentary cyclic procedures. On the other hand, it is characterized as the procedure of long haul expulsion of silt and shakes at the coastline, driving again to loss of land and retreat of the shoreline landward. Seaside disintegration might be brought about by pressure-driven activity, scraped spot, effect, and consumption by wind and water, and different powers, ordinary or unnatural. On non-rocky shores, coastal erosion occurs in rock structures in regions where the coastline includes rock covers or split zones with varying resistance to corrosion. Softer areas become corroded much faster than harder ones, which typically end in landforms such as tunnels, bridges, columns, and pillars. Well, now that we know a little bit more about this, let’s answer these questions and show them who the boss is! Let’s do this!

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Quiz Questions And Answers

What is Erosion?

The wearing away of the land.
The falling of a cliff.
The wearing away of the land by the sea.

What is Coastal Erosion?

The wearing away of the land.
The wearing away of the land by the sea.
The movement of the waves.

What is Corrosion?

When the cliff is being eroded by strong acids in the sea.
When the cliff is being hurled at the base of the cliff.
When the cliff is eroded by weak acids in the sea.

What is hydraulic action?

When the waves compress the cliff and force air out of a crack causing it to break.
When the waves hurl rocks and pebbles at the cliffside.
When the cliff is eroded by weak acids in the sea.

Attrition is when?

The wave contains pebbels which hit together and break up.
The wave hits the cliffside and makes it collapse.

Which of these is a hard engineering technique against coastal erosion?

Re-curved sea wall.
Sand dunes and marram grass.
Beach nourishment.
Salt Marsh.

What are Groynes?

large boulders on the beach to absorb wave energy.
Long walls designed to reflect wave energy.
boulders wired together in cages to dissipate wave energy.
long wooden features built out into the sea to trap beach material.

Which of these techniques is a soft form of coastal management engineering?

Revetments.
Sand Dunes and marram grass.
Recurved sea wall.
Gabions.

What do revetments do?

stop longshore drift and build up a beach.
break the force of the wave and trap beach material behind them to protect the base of a cliff.
replace beach material.
deflect wave energy.

What problems can groynes cause?

Encourage sand to be deposited building up a beach.
Stop longshore drift supplying beaches further down the coast with material.
Increase the amount of sand deposited further up the coast.
Cause pollution.
ANSWERS
I really need help with one of my tests.
Answer By: stacey truesdale
Answer On: 26-Nov-2019

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