4.2 Water vapour is a gas. Explain the difference and similarities between water in the vapour form and in the liquid form in terms of the kinetic molecular theory (KMT).​

d) physical means can be used to separate the components of air.

i think the answer would be reserve.

i dont have a visual in front of me, but i can you reason to try to get the right one. the graph should look like this, 0 to 6 there is a spike, 12 to 14 there should be a very low point. slight increase in the graph at 12 to 14, and flat 14 to 18

explanation: