Question

2
که له
The Earth and the Changes on It
The surface of the earth never remains the same. It constantly undergoes changes. These
hanges can be sudden or gradual. The sudden changes originate inside the earth, due to volcanic or
earthquake activities. These forces bring radical changes and are easily visible. On the other hand,
some changes are very slow and take place gradually over a very long time. This could be due to
natural forces, such as carrying of soil by rain water, changes in the course of a river, winds carrying
soil particles with them, etc.
Human factors can play an equally important role in changing the surface of the earth. Th
examples are cutting down of forests, construction of roads, bridges and railway lines, large-sca
mining, building of dams, etc. In this chapter, we will study about the processes that are involved
E, hold bringing gradual changes upon the earth's surface.
EXTERNAL PROCESS
Any process working on the earth's surface and bringing changes on it, is known as ex
process. The external process may lower the level of land by wearing away rock part
can also raise the level of land where
sca
the soil particles are deposited.
External processes include changes
Do You Know?
of weathering and
Geomorphology is the science of study of
on account
gradation
EY
Weathering
(The term weathering refers to the
process that breaks) rocks into smaller
particles. It includes erosion and deposition.
They disintegrate as they are exposed to
Il types of weather changes. The effect
weathering can also be seen on stone
onuments and buildings
where pieces of
nes get flaked off and iron railings get​

Answer 1

Answer:

thank you for the information but what is ur question ? ....

Answer 2

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HEY MATE WHAT DO YOU WANT????