yes
no its a cow... poo ok, just pooo
pure substace
7
Diamond.
you snort it and if you get high then its heroin
suspention :]
A heat insulator.
A lubricant
fluidity
Strontium fluoride.
its a substace because it not pure... how do i know.. well i just do Some are pure substances : chalk, charcoal, graphite and pure lead are examples. Some are solutions, some are suspensions, many are a mixture.