Choose the correct description from a list of four possible answers.

1. What is corrasion which is also called abrasion?

   1.   ?    erosion by stones and materials in the waves
   2.   ?    chemical erosion of coast
   3.   ?    a cliff collapsing into the sea
   4.   ?    plants colonising a cliff

2. What is corrosion?

   1.   ?    erosion by stones and materials in the waves
   2.   ?    chemical erosion of coast
   3.   ?    rusty debris left on a beach
   4.   ?    plants colonising a cliff

3. What is a wave cut platform?

   1.   ?    a destructive wave
   2.   ?    the land found behind a sand spit
   3.   ?    the remnants of a former headland
   4.   ?    a plateau raised above sea level

4. What is a stack?

   1.   ?    a destructive wave
   2.   ?    a mound of sand built up behind a sea wall
   3.   ?    a rocky shore just at sea level
   4.   ?    part of a former headland separated from the main cliff

5. What is an arch?

   1.   ?    a destructive wave
   2.   ?    a gap carved through a headland when two caves meet
   3.   ?    the remnants of a former headland
   4.   ?    a plateau raised above sea level

6. What is backwash?

   1.   ?    a constructivw wave
   2.   ?    this is the area on a beach where flotsam and jetsam are left behind
   3.   ?    the remnants of a former headland
   4.   ?    waves moving down a beach

7. What is hydraulic action?

   1.   ?    erosion by stones and materials in the waves
   2.   ?    chemical erosion of coast
   3.   ?    air trapped in a wave expands and the pressure released helps erode the coast
   4.   ?    the movement of water up and down a beach

8. What is a tsunami?

   1.   ?    a very destructive wave
   2.   ?    a large lagoon found in Japan
   3.   ?    a cliff collapsing into the sea
   4.   ?    one of the first plants to colonise a beach

9. What is a rip rap?

   1.   ?    a very powerful tidal surge
   2.   ?    granite or other hard rock boulders placed on a beach to protect the land from coastal erosion
   3.   ?    the rubble broken off a cliff
   4.   ?    one of the first plants to colonise a beach

10. What is a slumping?

    1.   ?    a cliff collapsing when too much water causes a weaker rock to slip downwards
    2.   ?    this is when mud is washed out to sea
    3.   ?    dumping pollutants on a beach
    4.   ?    where ships are stuck in tidal mud flats