Which of the following is NOT a source of release of smokestacks?

The Correct answer is Rivers

Key Points

• Rivers do not release smoke or pollutants into the atmosphere like industrial activities or thermal power plants. Therefore, they cannot be considered as a source of smokestack emissions.
• Smokestacks are primarily associated with industries, thermal power plants, and smelters which release pollutants into the air in the form of smoke, gases, and particulates during production or energy generation processes.
• Rivers do not contribute to air pollution in the same way that industrial processes do. They may, however, carry pollutants in the form of chemicals and waste that affect water quality, not air quality.
• Therefore, rivers do not release smoke, which is why they are not associated with smokestack emissions.

 Additional Information

• Smelters
  • Smelters are industrial facilities that extract metal from ores by applying heat, which often releases smoke and fumes. These emissions can contain harmful chemicals, making smelters a common source of smokestacks.
• Thermal Power Plants
  • Thermal power plants generate electricity by burning fossil fuels, and the combustion process releases large amounts of smoke and greenhouse gases into the atmosphere through smokestacks.
• Industries
  • Industries such as cement factories, chemical plants, and refineries often release smoke, pollutants, and particulates into the air through smokestacks as part of their manufacturing processes.