Chapter 3

Earth and people

Exercise-1

1. By answering the following questions—

(a) In which part of the world are major landforms found?

Ans: Earth's surface i.e. land and water are the major geo-regions.

(b) Write the names of the main landforms found on land.

Answer: Mountains, plateaus and plains.

(c) Mention the difference between mountains and plateaus.

Answer: Mountains are high and steep terrain with peaks. Although the plateau is relatively high, its upper part is flat or monotonous.

(d) Where are plains formed?

Answer: Plains are formed by rivers and streams.

(e) What are the characteristics of plateau region?

Answer: Plateau region is high land, but the surface of the ya is flat. Generally these regions are rich in mineral resources.

(f) What is Serenga population in hilly areas?

Ans: Difficult topography, cold weather, lack of sufficient flat land is the primary reason for settlement in hilly areas.

2. What helps people in mountains and hills, Bahlai written

Answer:  Mountains help regulate the natural climate. Source of clean water, source of mineral resources, source of forest resources. Besides, tourism, animal husbandry, tea cultivation are also helpful in primary fields. The mountainous region serves as the source of the river Dhani.

3. Seeing the original topography of rivers and mountains is now drawing pictures.

Answer:   (As this answer is in the form of a drawing, you can draw it as a landscape and show rivers, mountains, plains, plateaus, etc. I can draw it or I can draw a ladder if you want.)

Exercise-2

1) By answering the following questions—

(a) The water body crows?

Answer: Hydrosphere refers to the body of water above the Earth including seas, oceans, rivers, lakes, glaciers, and groundwater.

(b) What is the name of the deepest part of the earth?

Answer: Mariana Trench.

(c) Write the names of the oceans now under the control of the entire continent.

Answer: Caspian Sea.

(d) What is the source of the river Bulile?

Answer: The place where the river originates or starts is called the source of the river.

(e) What is a branch?

Answer: Along the main river, it is called a narrow river or water-bearing branch.

2) Write a kiss-to-touch—

(a) Oceans:

Oceans and oceans are large bodies of water, as wide and deep as the oceans.

(b) Rivers:

Rivers are parts of the landscape that carry water and join oceans or lakes.

(c) Wetlands or wetlands:

Sirubhumi or wet land is the lowland plain which is permanently wet due to the presence of fresh water.

(d) Lake:

A lake is a natural body of still water, which is situated on land.

3) Describe the effect of Earth's atmosphere on humans.

Answer:  Topography determines population, agriculture, forest resources, industry, tourism etc. For example, plains are more populated, making farming easier. Hill-mountain forest resources, tourism is a prime area of ​​support. The plateau is rich in minerals.