When a liquid becomes a gas, The molecules move closer together
The molecules move farther apart
The molecules are unchanged
There are no molecules

oxygen +1 most likely

where in your body is there an enzyme that does function at a high or low ph? what is the name of that enzyme and its function?

very

those characteristics are cellular organization, reproduction, metabolism, homeostasis, heredity, response to stimuli, growth and development, and adaptation through evolution. some things, such as a virus, demonstrate only a few of these characteristics and are, therefore, not alive