Question

Define the following:-
1. Environment
2. Lithosphere
3. Biosphere
4. Atmosphere
5. Hydrosphere

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Answer 1

Answer:

1. The conditions in which you live, work etc.

2. Lithosphere is the solid crust or the hard top layer of the earth. It is made up of rocks and minerals and covered by a thin layer of soil. It is an irregular surface with various landforms such as mountains, plateaus, plains, valleys, etc.

3. It is a narrow zone of the earth where land, water and air interact with each other to support life. It comprises of all organisms which have a life. Eg : Human beings, plants and animals.

4. The atmosphere is the thin layer of air that surrounds the earth. The gravitational force of the earth holds the atmospheric around it. It protects from the harmful rays and scorching heat of the sun. It consists of a number of gases, dust and water vapour.

5. The domain of water is referred to as Hydrosphere. It comprises various sources of water and different like rivers, lakes, seas, oceans, etc. It is essential for all living organisms.

Answer 2

Explanation:

1. environment : the natural world where the plants , animals , humans and etc live life .

2. lithosphere: the rigid outer part of the earth , consisting of the crust and upper Mantle.

3. biosphere : the part of the earth surface and Atmosphere in which plants and animals can live.

4. Atmosphere : the mixture of gases that surrounds the earth, star , planet ,etc.

5. hydrosphere : all the water on earth surface