pollution
i
yes. All matter is 'chemicals' and some of them are harmful, so somematter does contain harmful chemicals.
Polyurethane is a synthetic material that can be used in many different ways. For the most part, this substance is not harmful, but sometimes this substance can produce harmful chemicals such as carbon monoxide. Handling the substance at high temperatures can be toxic. http://www.ehow.com/about_4607738_what-is-polyurethane.html
Diarreah
it means you are not affected by any harmful chemicals.
i don't know what is the answer i think you can answer it
pollution
pollution
yes. All matter is 'chemicals' and some of them are harmful, so somematter does contain harmful chemicals.
No, distilled water is water without minerals and other impurity's.
A bath towel (normal and clean !) don't contain any harmful chemicals.
There are literally millions of harmful chemicals. Could you please refine your question and ask again.
It depends on the chemicals.
some harmful chemicals that hide in toys are led, soap, and much much more
the most harmful is carbon dioxide.
yes it is but the chemicals will make it is harmful
maybe
There are several hundred harmful chemicals in cigarette smoke. The most notable are probably tar and nicotine.