Question

1. Human beings are the major threat to the environment. Do
2. Suggest any five measures to control environmental polluti
3. Give a short account on the water pollution.
4. What are the main sources of land and air pollution?
Write down the affects of the following.
1. Photo pollution
2. Water pollution
B. Very short answer type questions.
1. Define the word pollution.
2. Name the different types of pollution.
3. What are the impacts of noise pollution ?
4. What do you know about the photo pollution ?
C. Short answer type questions.
statement ? Give reason to support your answer.
D.
3​

Answer 1

Answer:

1. Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.

2.

• Reduce the number of trips you take in your car.
• Reduce or eliminate fireplace and wood stove use.
• Avoid burning leaves, trash, and other materials.
• Avoid using gas-powered lawn and garden equipment

3. Water pollution is the pollution of bodies of water, such as lakes, rivers, seas, the oceans, as well as groundwater. It occurs when pollutants reach these bodies of water, without treatment. Waste from homes, factories and other buildings get into the water bodies and as a result water gets contaminated.

4. Agricultural Activities.

Mining Activities.

Overcrowded Landfills.

Industrialization.

Urbanization.

Construction Activities.

Nuclear Waste.

5. Diseases spread by unsafe water include cholera, giardia, and typhoid. Even in wealthy nations, accidental or illegal releases from sewage treatment facilities, as well as runoff from farms and urban areas, contribute harmful pathogens to waterways.

the action of making the air, water, etc. dirty and dangerous

The three major types of pollution are air pollution, water pollution, and land pollution.

Noise pollution impacts millions of people on a daily basis. The most common health problem it causes is Noise Induced Hearing Loss (NIHL). Exposure to loud noise can also cause high blood pressure, heart disease, sleep disturbances, and stress. These health problems can affect all age groups, especially children.