What are the causes effects and prevention of air pollution?
Man-made air pollution refers to the harmful smoke emitted out of factories while naturally, it can affect the air through the smoke that is emitted by burning wood or coal. However, most of the pollution is said to come from the energy we use and produce such as factories or smoke emitted from vehicles.
What are two major causes of pollution in the environment?
21.3. Causes of environmental pollution
- Urbanization and industrialization. Since the era of industrial revolution, man has continued to introduce hazardous materials into the environment at an alarming rate.
- Mining and exploration.
- Agricultural activities.
- Burning of fossil fuels.
- Particulate matter.
- Plastics.
Which of the following is the major cause of pollution?
Hydrocarbon gases is the major cause of pollution.
What is the most harmful of pollution?
Undoubtedly air pollution is the most devastating pollution type causing worldwide mortality. An estimated 7 million deaths every year are linked to ambient air pollution, mainly from heart disease, stroke, chronic obstructive pulmonary disease (COPD), lung cancer, and respiratory infections, including pneumonia.
Which of the following is not a major cause of pollution?
Growth of algae in water causes the dissolved oxygen levels in water to deplete, resulting in death of aquatic animals due to water pollution. Afforestation does not cause pollution directly.
Which of the following is the major cause of pollution plants and fungi hydrocarbon gases?
– So, hydrocarbons are one of the major causes of pollution. They are non-biodegradable compounds and are the secondary pollutants. The hydrocarbons are produced either due to incomplete combustion of fuel or sometimes naturally. Thus, the correct option is ‘D’.
Which of the following major gas causes air pollution?
The gases that cause the most air pollution are Nitrogen oxide (NOx), Volatile Organic Compounds (VOC), Carbon dioxide (CO2), Sulphur oxide (SOx), dioxines and furans, etc.
Which of the following is highest contributor to the air pollution Examveda?
Solution(By Examveda Team) The most common cause of pollution of air is Sulphur dioxide.
Which of the following is the best indicator of so2 pollution?
Lichens
What is the best indicator of pollution?
Lichens are well known as sensitive indicators of air pollution, particularly for sulfur dioxide.
Which of the following is very good pollution indicators?
with ref. to biological indicators and preliminary analysis shows that algae are the best indicators. However, there are various groups of organisms which show varied reponses to pollution.
Which of the following is a good indicator of pollution?
Lichens are very sensitive to air pollution, specially S O 2 pollution so they serve as indicators of air pollution.