Ethyl mercaptan
Put simply, decomposition, the chemical and physical breakdown by way of bacteria.
put shoe powder in it
Mercaptan. Methane, which is the primary ingredient of natural gas, is odorless and colorless. The gas company adds a chemical called mercaptan, which gives natural gas a recognizable sulfur or rotten egg odor.
Yes it can. Smell the patch before you put it on. That smells. It also makes your skin smell.
put spray or purfume on.
A cow lets out Methane when it farts.
To test for a blocked vent, plug the sink or tub. Put at least 2 inches of water over the plug. If the smell ceases, you have a blocked vent. The smell is caused by methane gas, which can cause many health issues.
dump it into mud and put sweat on it.
put air freshners in your pants
to make the baby smell better
if you put milk in a plant it will smell like rotten eggs and your house will be stffed with a bad smell and you will barf and you will have to move out of your house.
because the smell is pretty much asleep.