No but it is flamable.
They release harmful gasses into the atmosphere - which are inhaled by people and animals. Some of the components of car exhausts are carcinogenic.
Yes, nitrogen dioxide is harmful. It is a pollutant which is toxic if inhaled.
yes because it contains chemicals that are harmful to our body
if it is inhaled or digested yes
Marijuana is harmful when inhaled. No matter what you are lighting it with.
Yes, and so is touching it.
It's harmful if swallowed or inhaled. It may cause irritation to the skin, eyes and such.
metal to metal.... worn out brakes, bad oil pressure
Because it's harmful to wildlife and the environment.
They inhale the same poisons that the smoker inhaled and exhaled.
It is not unstable, used properly it is safe. But of course it is harmful if inhaled.
The inhalation of citric acid powders is undesirable.