Question

-2 : EARTH AND CHANGES ON IT
Q1. Define the following terms:
a) External Process
b) Weathering
c) Denudation
d) Geomorphology​

Answer 1

Answer:

1. External process:External processes shape the relief created by internal processes. External agents carry out this process: water, ice, wind, atmosphere and human beings. They include all the changes that alter or wear down the rocks and deposit materials resulting from erosion.
2. Weathering :wear away or change the appearance or texture of (something) by long exposure to the atmosphere.
3. Denudation:denudation involves the processes that cause the wearing away of the Earth's surface by moving water, by ice, by wind and by waves, leading to a reduction in elevation and in relief of landforms and of landscapes.
4. Geomorphology:the study of the physical features of the surface of the earth and their relation to its geological structures.