According to Central Pollution Control Board [CPCB] what size (in diameter) of particulate is responsible for causing greater harm to human health?

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4.0 micrometers

2.5 micrometers

3.0 micrometers

3.5 micrometers

answer is C.

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Detailed Solution

According to the Central Pollution Control Board (CPCB), particulate matter with a diameter of 2.5 micrometres or below (referred to as PM2.5) is responsible for causing greater harm to human health. PM2.5 refers to fine particulate matter that is small enough to be inhaled deep into the respiratory system, potentially reaching the
lungs and even entering the bloodstream. These fine particles can contain various pollutants, such as dust, smoke, chemicals and other harmful substances. Due to their small size, PM2.5 particles can penetrate
deep into the lungs and may contribute to respiratory problems, cardiovascular issues and other health complications.

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