Question

please tell me the two processes from  which it may be concluded that particles of a gas  move continuously.......... :-)

Answer 1

Answer is Diffussion and Compressbility.
Hope it helps and pls mark as the best answer. :-)

Answer 2

(a) When a container is filled with gas, the gas fills the entire container.
(b) when an incense stick is lightened the gas that forms due to sublimation spreads throughout the room.We know this as we can smell it from a distance.