I think that marijuana should be legalized for recreational use. It's not really bad for you and it doesn't cause problems like violence. If marijuana was the most abused substance rather than alcohol it would be an improvement.
The PH scale ranges from 0-14, 7 is neutral. The acids would be 0-6, and bases 8-14
The law conservation of mass, because part of the mass can be converted into energy
also, the elements are changing during nuclear reactions, new elements are formed
Answer:
pour the rock salt mixture throught a filter made from paper and allow the liquid to filtrate .
Explanation:
Separating Sand and Salt
Probably the easiest method to separate the two substances is to dissolve salt in water, pour the liquid away from the sand, and then evaporate the water to recover the salt.