What is the primary purpose of sea walls?

Coastal Management - hard engineering Quiz

Quiz
•
Geography
•
10th Grade
•
Hard
E Neill
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To enhance beach tourism
To keep the sea out and protect the coast
To promote sand deposition
To provide habitats for marine life
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a disadvantage of sea walls?
They are inexpensive to build
They require no maintenance
They can be considered unattractive and may damage tourism
They promote natural beach formation
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What material are groynes typically made of?
Plastic
Metal
Hard wood or concrete
Sand
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main function of groynes?
To increase wave energy
To slow down longshore drift and build up the beach
To attract marine wildlife
To enhance beach aesthetics
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a potential problem caused by groynes?
They are too expensive to build
They can cause extra erosion further down the coast
They promote excessive sand deposition
They are ineffective against wave energy
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a gabion?
A type of sea wall
A metal cage filled with rocks
A wooden fence
A sand dune
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main advantage of gabions?
They are very expensive
They are effective at absorbing wave energy
They require no maintenance
They enhance beach tourism
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