That would be moisture in the oil.
One is a hard gray substance. One is a brown powder
yes,some grey hounds are grey but they can also be greyish blue black dark brown light brown white silverish (thats all the colors that i no of) hope ive helped ' )
The brown substance that appears in the mouth of a patient with liver failure is a coffee ground substance.
Yes it is a substance. A brown liquid that changes to a brown gas at less than room temperature.. It i similar to chlorine.
solution
it is a hard brown substance is your pants
Iodine
If it has a color there is substance & not just air.
It might be mud.
My daughter is 9 years old, she woke up this moring with a black/brown substance on her teeth and tongue with a vomit tast in her mouth. what can cause this?
the sticky brown substance in a cigarette is tar.
dark brown rocks