an ounce...
polystyrene is not heavy can be heavy in certain places though
14.583
SpongeBob is 1 oz. (1 ounce )
not that heavy probably just about 2 ounces because a mouse weighs only one ounce
Polystyrene is NOT biodegradable
pound is much heavy than ounce
Rigid polystyrene is a hard plastic Rigid polystyrene is a hard plastic
1 lbs 1 1/2 ounce
Because polystyrene is the polymer of the monomer styrene; poli in the Greek language has the meaning of many.
1 fluid ounce = 29,573 g of water
Polystyrene is obtained by the polymerization of the monomer styrene.
Polystyrene is a kind of hard plastic.