Question

ASSIGNMENT-3-NATURAL RESOURCES:

Q-1) What is the outer layer of the earth known as?

Q-2) What is hydrosphere?

Q-3) What is atmosphere?

Q-4) Give the percentage of C02 on Venus?

Q-5) Differentiate between the biotic and abiotic components?

Q-6) Atmosphere play important role in climate control.

Justify the statement.

Q-7) What is biosphere?

Q-8) What is water pollution?

Q-9) Define pollutants? Give example of different type of air pollutants.

Q-10) Give one method to control air pollutants.

Q-11) Give the wind movement during day in the coastal region?

Q-12) Give the important role played by the dust and other suspended

particles in the air with respect to rain drop formation.

Q-13) What is acid rain?

Class-9th
Subject-Science
Gusyyy plzz ans me fast.........​

Answer 1

Answer:

1. Lithosphere
2. Water bodies such as lakes, rivers etc are in a surface called hydrosphere
3. The envelope of gases surrounding the earth planet
4. 96
5. Biotic means living organisms, abiotic means non living organisms

Answer 2

Explanation:

Q-1 ans: crust

Q-2 ans: A hydrosphere is the total amount of water on a planet. The hydrosphere includes water that is on the surface of the planet, underground, and in the air.

Q-3 ans: atmosphere is a layer or a set of layers of gases surrounding a planet or other material body, that is held in place by the gravity of that body.

Q-4 ans: 96.5 percent