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Question 3
The molecules of a substance would have thegreatest change in relative distances during which transition?
gas to liquid
B
liquid to gas
С
solid to liquid
D
solid to gas

It would be the equator

By water evaporation from the leaves is created a negative pressure at the top of the tree that promotes the ascension  of the water through channels that are called xylem. there are also two molecule forces that are involved: the intra-water molecules cohesion (water molecules stick to each other) and the adhesion when the water molecules stick to the channels they are running in. this is what enables water to go from the roots to the top of a tall tree.