Question

2. Choose the correct option:
a) Example of an erosional plain is (Russian platform/west Siberian / Yangtze Basin)
b) Which of the following countries is the leading producer of tin in the world? (Indonesia/
Malaysia/Thailand)
c) The Chhotanagpur Plateau is (intermontane / continental / volcanic Plateau.)
d) Patagonia is in (Argentina / Spain / France)
e) The Narmada Valley is an example of valley- (V shaped / U shaped / I shaped / rift valley)
f) Mineral oil is extracted from the earth by the method of (quarrying / drilling / shaft mining)
g) The kolar mine in Karnataka produces (gold / mica/ coal / bauxite)
h) has the largest reserves of Petroleum. (Western Europe / South east Asia / South west Asia)
i) North America was discovered in 1492 by (James Cook / Amerigo Vespucci / Christopher Columbus)
1) The river descends from the Appalachians and joins the Mississippi. (Missouri/Colorado/ Ohio)
k) The Canal links the Atlantic Ocean and the Pacific Ocean is (Kiel / Baltic / Panama / Suez)
1) The capital of Colombia is (Lima / Quito / Bogota / Caracas)
m) The Patagonian Plateau is (a residual mountain / a volcanic plateau / a cold desert)
n) The highest peak of Andes is (Mt. Cotopaxi / Mt. Chimborazo / Mt Aconcagua)​

Answer 1

Answer:

Explanation:

The plain formed by wind action is called as pediplain.

• Northern Canada, northern Europe and west Siberia are

examples of such ice-eroded plains.

• Parts of Sahara in Africa are wind-eroded plain surface.

• The rivers by widening their banks and lowering the higher

land between them have eroded parts of the Amazon basin

into streameroded type of plains.

Depositional Plains

• The plain formed by deposition of sediments occurs due

to the actions of rivers, glaciers, wind, sea wave etc.

Different types of depositional plains are:

1. River Plain : These are formed by the alluvium brought

down by the rivers. The Indo-Gangetic plain in Indian

subcontinent, Hwang-ho plain of north China and Povalley

in North Italy are some examples of alluvial p