The correct option is (d) none of the above. Volcanoes, combustion, and industry are involved in causing air pollution.
Further Explanation:
Air pollution is the condition wherein certain pollutants are present in the air affects the quality of air and which is also hazardous for human beings.
Industrial release of pollutant- Detrimental air pollutants are released during the various process such as combustion or chemical reaction, sometimes soot is released by certain industry into the air that majorly affects the air quality.
Combustion- It is the process wherein the substrate or any substance reacts in the presence of air and produces heat. Carbon dioxide released during this process acts as the air pollutant.
Volcanic eruption: During this process, various chemicals are released into the air that are toxic to human and other.
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Answer Details:
Grade: Middle school
Chapter: Pollution
Subject: Biology
Keywords:
Air pollution, pollutants, human beings, combustion, soot, industry, carbon dioxide, volcanic eruption, organisms.