Answer the following questions:
1. What do you mean by environmental polluton ?
2. What is air pollution ?
3. Name the factors that cause air pollution
4. How can dust pollute the air?
5. What are the methods that can control air pollution ?
6. How is water polluted ?
7. Which are the factors that pollute the water ?
8. What do you understand by the word "noise" ?
9. List the hazards of noise pollution and how it can be controlled.
Answers
Answer:
1.Environmental pollution is defined as “the contamination of the physical and biological components of the earth/atmosphere system to such an extent that normal environmental processes are adversely affected.
2.Air pollution is a type of environmental pollution that affects the air and is usually caused by smoke or other harmful gases, mainly oxides of carbon, sulphur and nitrogen. In other words, air pollution is the contamination of air due to the presence or introduction of a substance which has a poisonous effect.
3.The Burning of Fossil Fuels. ...
Industrial Emission. ...
Indoor Air Pollution. ...
Wildfires. ...
Microbial Decaying Process. ...
Transportation. ...
Open Burning of Garbage Waste. ...
Construction and Demolition.
4.Dust is a pollutant because (i) Dust consists of suspended particles. Inhalation of dust causes lots of discomfort including allergic asthma, bronchitis, cold or cough. (ii) It reduces intensity of light. (iii) Dust particles settle over leaf and can block stomata and reduce gaseous exchange in plants.
5.Using public transports. ...
Turn off the lights when not in use. ...
Recycle and Reuse. ...
No to plastic bags. ...
Reduction of forest fires and smoking. ...
Use of fans instead of Air Conditioner. ...
Use filters for chimneys. ...
Avoid usage of crackers.
6.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.
7.Industrial Waste. Industries and industrial sites across the world are a major contributor to water pollution. ...
Marine Dumping. The process of marine dumping is exactly what it sounds like, dumping garbage into the waters of the ocean. ...
Sewage and Wastewater. ...
Oil Leaks and Spills. ...
Agriculture. ...
Global Warming. ...
Radioactive Waste.
8.a sound, especially one that is loud or unpleasant or that causes disturbance.
9.Unwanted sound (noise) can damage physiological health. Noise pollution is associated with several health conditions, including cardiovascular disorders, hypertension, high stress levels, tinnitus, hearing loss, sleep disturbances, and other harmful and disturbing effects.
Explanation: