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
Assertion (A): Limestone has a distinctive bedding plane and joint pattern.
Reason (R): This is described as being massively jointed.
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not a correct explanation of A.
A is true but R is false
A is false but R is true
Caves are most likely to form in which of the following rock types?
Granite
Limestone
Basalt
Sandstone
Which of the following are true with respect to the wave by refraction?
Speed is reduced & wave front is altered
Speed is increased and wave front is altered
Both the speed and wave front doesn’t change
Speed is reduced & wave front is unaltered
Assertion (A): Weathering of granite results in a thin, gritty soil cover.
Reason (R): Granite has great physical strength and is highly resistant to weathering.
The movement of water down the beach.
Fetch
Swash
Backwash
Longshore drift
The movement of water up the beach.
What causes coral bleaching?
Global warming
Acid rain
Tsunami
Volcano
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