The movement of water up the beach.
Fetch
Swash
Backwash
Longshore drift
The rate of chemical weathering is increased by acids. The most common natural acid on the Earth's surface.
Nitric acid
Carbonic acid
Sulphuric acid
Acetic acid
How is the primary agent of chemical weathering, carbonic acid produced?
Carbon dioxide dissolving in rainwater
Plant roots
Bacteria that feed on plant and animal remains
All of these
Rainforests of the sea.
Sand dunes
Coral reefs
Salt marshes
Lagoon
In which part of the river does a floodplain begin to form?
Upper course
Middle course
Lower course
Both in the upper and middle course
When does deposition occur in a river?
As a river speeds up and loses its energy
As a river speeds up and gains energy
As a river slows down and loses its energy
As a river slows down and gains energy
What causes coral bleaching?
Global warming
Acid rain
Tsunami
Volcano
The largest barrier reef system in the world.
Beqa Barrier reef
Great Barrier Reef
Lesser Antilles in the Caribbean
Barrier reef of Florida
