Q.2 of 51
Which is the main agent for the
formation of plains?
(1 marks)
Choose the correct answer:
a) Waterfalls
b) Tides
c) Weathering
d) River
Answers
Answer:
What is weathering?
ANSWER:
Weathering is a process in which huge rocks are broken down or decomposed into fine material. Several forces are responsible for this process. The most common agents of weathering are plants, animals and winds.
How is a waterfall formed?
ANSWER:
Waterfalls are an example of spectacular landforms formed by the rivers in mountains. They are formed in two ways:
When the slope of a river bed drops down all of a sudden, the water plunges down from the mountain in the form of a magnificent waterfall.
Faulting may also result into a break in the land surface and hence, the slope of the river bed drops and results into waterfall.
What is a delta? Name the biggest delta in the world.
ANSWER:
Delta is a triangular landform that a river forms near its mouth (where it meets the ocean or sea). Since the river deposits most of its sediments near the mouth, these deposited sediments force the river to split into several distributaries and this region is collectively known as Delta.
The Ganga-Brahmaputra Delta is the biggest delta in the world
Explanation: