Why do scientists often use melting point and boiling point to identify substances?

Here’s one way to follow the scientific method. place the missing steps in the correct position in the process

Which substance is a steroid? cholesterol fatty acid monosaccharide trans fat

The msds for glacial acetic acid says that it is a flammable liquid that can severely burn any human tissue it comes in contact with. it reacts with bases, various metals, and strong oxidizing agents. its vapors can form explosive mixtures with air.