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Which one of the following is not correct as regards to the harmful effects of particulate matter of the size 2.5 micro meters or less?
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- It can be inhaled into the lungs
- It can cause respiratory problems
- It can directly enter into our circulatory system
- It can cause inflammation and damage to the lungs
Correct Option: C
According to Centrol Pollution Control Board (CPCB) particulate size 2.5 micrometers or less in diameter are responsible for causing various breathing and respiratory problems. They can also cause irritation, inflammations, damage to the lungs and premature deaths. It cannot directly enter circulatory system but indirectly through respiratory system.
