Why is it important for your body to reabsorb salts, proteins and sugars through the kidneys?

How many atoms are there in 5.70 mol of mg

Determine the empirical formula for succinic acid that is composed of 40.60% carbon, 5.18% hydrogen, and 54.22% oxygen.

Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.