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प्रश्न
Write the factors affecting the environment.
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उत्तर
- The biotic and abiotic factors affect the environment. Among abiotic factors, physical and chemical factors can alter environmental conditions.
- Abiotic factors are either natural or man-made.
- The interrelationships among living organisms can also affect the environment.
- Natural disasters such as earthquakes, forest fires, cyclones, cloudbursts, and droughts change the environment.
- Human activities, such as deforestation, urbanisation, and construction, cause permanent damage to ecosystems. Due to man-made impact, there can be large-scale changes in the environment.
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संबंधित प्रश्न
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Complete the following table taking into account the relation between the entries in three columns:
| Air pollution | Water pollution | Soil pollution | |
| Components | Gases: CO2, CO, Hydrocarbons, Sulphur, NOx, Hydrogen sulphides etc. Solid: dust, ash, carbon, lead, asbestos, etc. |
||
| Source | Industrial wastes, Domestic wastes, Sewage, Chemicals discharged from Industries, Pesticides used in agriculture. |
||
| Effect | Soil erosion, Retarded growth of plants/crops, Nutritional deficiency etc. | ||
| Control Measure |
Why is there a need for conservation of the environment?
Mention one measure to control air pollution.
Match the correct pair:
| Column 'A' | Column 'B' | ||
| (1) | Forest Conservation Act |
(a) | 1986 |
| (b) | 1980 | ||
| (c) | 1970 |
