Air quality (composition) study. How to research?
| September 3, 2021 | education
It is impossible to independently examine air quality. Experts use special devices that analyze the air for the content of lead, toxic gases, chlorine, sulfur and other substances. This equipment is quite expensive and requires some knowledge to operate. Sanitary and epidemiological stations regularly analyze the air in different parts of the city and outside the settlements. We can just look at the trees. Lichens are an excellent indicator of air pollution. If they grow on a tree, then the air is polluted. The more there are, the dirtier the air.
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