Question

prevention of pollution in about 200 word

Answer 1

Pollution control is an approach to eliminate the release of pollutants into the environment. It is regulated by various environmental agencies that establish limits for the discharge of pollutants into the air, water, and land. A wide variety of devices and systems have been developed to control air and water pollution and solid wastes. Pollution is prevented by using the below strategies:
• Recycling
• Reusing
• Reducing
• Mitigating

Noise pollution in India can be controlled by implementing following strategies:
• Control can be done by isolating noisy machines and also by using mufflers or noise reducers.
• Control of transmission by building enclosures and covering walls
• Protection from exposure by using ear plugs and ear muffs
• Legislation to restrict the use of loud speakers etc
• Education through films and newspapers about the hazards of noise pollution
• Use of noise barriers
• Limitation of vehicle speeds
• Alteration of roadway surface texture
• Limitation of heavy vehicles
• Use of traffic controls to reduce braking and acceleration and tire design
• Aircraft noise can be reduced to some extent by design of quieter jet engines
• Reconsideration of operations, such as altering flight paths and time of day runway use, has demonstrated benefits for residential populations near airports

How to control water pollution?
Water pollution can be controlled by using non-toxic soaps, detergents and cleaning products
• Avoid chemical fertilizers and pesticides on your lawn and gardens
• Dispose of paints, motor oil, gasoline, antifreeze and other harmful chemicals in accordance with your local laws and safety regulations
• Protect groundwater, which is critical for drinking water, irrigation systems and natural ecosystems
• Use chemicals in a proper way which may be harmful to the environment
• Use environment friendly washing powders, cleaning agents and toiletries to control water pollution
• Store chemicals in tightly sealed containers to avoid groundwater contamination
• Reduce the runoff that comes from your property
• Maintain your vehicle
• Replace your lawn and high maintenance plants with native plants
• Clean up pet waste
• Avoid using salt to de-ice walk ways
• Maintain your septic system

How to control air pollution?
Maintaining a healthy distance between the industrial and residential areas
• The chimneys should be constructed tall in size so that the emissions must be released higher up in the environment
• The sulphur must be removed after burning
• The gasoline must have anti knocking agents
• The railway track must be electrified
• The mining area should be planted with trees
• The coal fuel should be replaced with gas fuel to control the air pollution
• The automobiles must be designed with emission control system
• The wastes must be removed and recycled in the industrial plants and refineries
• Plants like pinus and ribes need to be planted to metabolize the nitrogen oxides and other pollutants
• Timely servicing of the car helps to keep it in a good condition, and also minimizes fuel exhaustion
• Using public transportation helps to prevent the air pollution
• Using alternative energy sources like solar energy, hydroelectric energy, and wind energy

Answer 2

Explanation:

heterotrophic bacteria are most in nature the majority are important decomposition many of them have a centipede impact on human affairs