Question

5. Let us all take care of these problems. (Last Line)
Answer the following questions:
1. What are the main sources of pollution?
2. Which are affected in addition to living thing?
3. What are the main causes of air pollution?
4. How are water polluted?
5. What are the laws used to control pollution in Delhi?
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Answer 1

Answer:

1. The main sources of pollution are household activities, factories, agriculture and transport. Once they have been released into the environment, the concentration of some pollutants is reduced by dispersion, dilution, deposition or degradation. __________________________
2. Pollution is the introduction of harmful contaminants into air, water or soil. These contaminants can have dire effects on entire ecosystems, making life more difficult for humans, plants and animals. Children and the elderly are particularly susceptible to the health effects from these toxinus. In many cases, exposure to pollution has a cumulative effect on the body___________________________________________________
3. Air pollution is caused by solid and liquid particles and certain gases that are suspended in the air. These particles and gases can come from car and truck exhaust, factories, dust, pollen, mold spores, volcanoes and wildfires. The solid and liquid particles suspended in our air are called aerosols._________________________________________________
4. Water pollution can be caused in a number of ways, one of the most polluting being city sewage and industrial waste discharge. Indirect sources of water pollution include contaminants that enter the water supply from soils or groundwater systems and from the atmosphere via rain.____________________________________________________
5. These include the Air (Prevention and Control of Pollution) Act, 1981 and the Environment (Protection) Act, 1986. ... In December 1996, the Delhi government submitted to the court its first action plan to combat air pollution.

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