Answer:
On the basis of chemical amount food is very dangerous.It is very good also because we can get taste and enjoy by eating that types of food
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Maintaining personal hygiene is important to avoid the risk of contracting illnesses and infections.
I think it is also all the above so D
Some air pollutants are visible. Some are invisible. All of them are harmful to people and plants, pollute waterways and cause global warming.
Ironic, if some pollutants get into the atmosphere naturally, most of it is put into the atmosphere by humans.
Examples of invisible pollutants:
1) nitrogen oxides
2) sulfur dioxide
3) volatile organic compounds
4) carbon monoxide
5) natural gas
6) chemicals like benzene and butadiene
Examples of visible pollutants:
1) Haze
2) Smoke
3) Dust
4) Ozone plumes
