These comprehensive RBSE Class 7 Social Science Notes Geography Chapter 1 Environment will give a brief overview of all the concepts.
Rajasthan Board RBSE Solutions for Class 7 Social Science in Hindi Medium & English Medium are part of RBSE Solutions for Class 7. Students can also read RBSE Class 7 Social Science Important Questions for exam preparation. Students can also go through RBSE Class 7 Social Science Notes to understand and remember the concepts easily. Go through these प्लेट क्यों घूमती है and get deep explanations provided by our experts.
→ Environment:
The place, people, things and nature that surround any living organism is called environment. It is of two types:
→ Natural Environment:
The natural environment refers to both biotic and abiotic conditions existing on the earth.
→ Land, water, air, plants and animals comprise the natural environment.
→ Natural Environment includes following
(i) Lithosphere: Lithosphere is the solid crust or the hard top layer of the earth. It is an irregular surface with various landforms such as mountains, plateaus, plains, valleys, etc.
(ii) Hydrosphere: The domain of water is referred to as hydrosphere. It comprises various sources of water and different types of water bodies like rivers, lakes, seas, oceans, etc.
(iii) Atmosphere: The atmosphere is the thin layer of air that surrounds the earth.
It consists of a number of gases, dust and water vapour.
(iv) Biosphere: Plant and animal kingdom together make biosphere or the living world.
→ What is ecosystem ?:
The relation between the living organisms, as well as the relation between the organisms and their surroundings form an ecosystem.
→ Human Environment: