whats the answers

Activity: Indicate whether each statement is true or false. a an Below its melting point, any substance is a solid. Water has a melting point of 100C. The gases oxygen, nitrogen, and helium have a melting point just below 0C. Many metals have a melting point over 1000C. Above its melting point, a substance is always a gas. O00 0 90 0 O00 0 90 0 Materials lose mass as they melt