Yes.
Yes, smelling stagnant water can make you sick because it may contain harmful bacteria and other contaminants that can cause illness if inhaled.
Yes, You will get sick. If its foul smelling it is most likely rotten and would contain dangerous and harmful bacteria
This depends on type of salts.
dont do it!
a strong smelling is farts
yes it can,it can actually make you vomit if you are close to the person who passed gas
Smelling gas while driving could mean that your gas tank is leaking. You should definitely get it checked out.
You can't really get sick from smelling it - you'd have to eat the chicken salad to actually get sick, though the smell might make you feel nauseated.
no
ethene
Yes because it would suggest it had gone off.