How many cups do you need for 4 moles rock salt (NaCl)? Rock salt weighs 520g per 1 cup

How many cups do you need for 1 kg of ice? Ice cubes weigh 220g per 1 cup

Any vitamins or supplements can be obtained without prescription and are widely used as alternative from western medications. most supplements are not valued by the fda or any other drug and food agencies.

It decreases by 4 is your answer mark brainliest 

Answer earth,water,fire and air;