3: water
Pure water (H2O) is a colorless, odorless, tasteless liquid. It is made up of hydrogen and oxygen, freezes at 0 degrees Celsius, and boils at 100 degrees Celsius.
Pure water (H2O) is a colorless, odorless, tasteless liquid. It is made up of hydrogen and oxygen, freezes at 0 degrees Celsius, and boils at 100 degrees Celsius.