Suppose that frogs can have either high blood pressure or low blood pressure and this is controlled by bands 10-12.the dna scan below is form a frog that has low blood pressure. which dna scan below was also obtained from a frog with low blood pressure

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On edgenuity it is d: watermelons 

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.