It lowers the temperature of the water. Instead of a minimum temp of 32 degrees it drops to something in the lower 20's. This freezes the ice cream faster. Also a great trick for quickly chilling a cooler full of warm beers. (Thanks mythbusters!!)
Water and oil never mix.
to stay hard
It would be a chemical change, because if it was a physical change it would stay the same substance, but in a chemical change you mix 2 different substances to get a new substance.
nothing
The function of the kidneys is to purify the blood by removing waste materials. The substances that stay in the kidneys are amino acids, sodium and other nutrients in the body.
Yes. (the cream does not stay on the teeth, the coffee does)
Substances keep there identities because they are not chemically changed so they are going to stay the same!
because
Allows a car to stop, allows you to walk, your shoelaces to stay tied, nuts to stay on bolts, nails to stay in wood, and allows you to pick up a glass. It also helps keep your pants from falling off.
Drugs
so the ice cream won't mealt and stay at a low vescosity leavel.
yes definitely unless you plan on having ice cream soup tonight!
yes