Toxic chemicals are mostly found in waste sites where they dump old chemicals and with that, that could cause health problems because they could either dump it into the oceans where the life is or they will burn it causing pollution.
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D.) Washed your hands first.
It is D.) because when you wash your hands first you're getting all the germs, dirt, or whatever is on your hands, off. Then you go back and put hand sanitizer to then in a sense "clean" it more. Plus who knows what is on that paper towel you just dried your hands with.
Answer:
just drink a lot of water and take a nap if you're not to distracted (;
Drunk depressed or talking on phone