Question

B. Answer the following questions:
1. Distinguish between the internal and
external forces that help in the formation
of landforms.
2. How are the following mountains formed:
a) Fold Mountains
b) Block Mountains
c) Volcanic mountains
3. Define and give examples of the following
Plateaus:
a) Intermontane Plateaus
b) Lava Plateaus
4. How are plateaus important to us?
5. How are the plains formed?
6. Describe the Erosional Plains and the
Depositional Plains.
7. How are mountains useful to us?​

Answer 1

Answer:

External forces are forces caused by external agent outside of the system. Internal forces are forces exchanged by the objects in the system. To determine what part should be considered external and internal, mechanical system should be clearly defined.

Answer 2

Answer:

In geography, internal forces are those which act of the surface of the earth causing a change in the nature and shape of a landform. For example, wind and water are the external forces which cause weathering and denudation of land.