A gas can be compressed to a fraction of its volume. The same volume of a gas can be spread all over a room. The reason for this is that

• A. the volume occupied by molecules of a gas is negligible as compared to the total volume of the gas.
• B. gases consists of molecules which are in a state of random motion
• C. gases consist of molecules having very large inter-molecular space which can be reduced or increased under ordinary conditions
• D. None of these