The fact that ice is less dense than water is related to the fact that

In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?

The fact that the total amount of energy in a system remains constant is a(n)

Which statement are accurate about snow flakes