hello!
as you can see from the picture, the distance of particles of water are pretty close in solid and liquid form while in gaseous form the water particles are far away from each other which takes much more space.
hope it helps
Hey, i know that concept. I am confused by the ‘low pressure near 0 degree celsius’. That’s the part that I am confused with. I am having doubts regarding how particles are arranged under that specific conditions.
i think they have to mention low pressure because in high pressure gas particles can sublime or act like liquid. in low pressures gives the meaning that in normal conditions where they can act normally
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Got it !!Thank you so much 
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