Ineed with question 15 and it’s very hard and i’m struggling with it and if you need to see the picture big then click on it and it will be big

By reading the graph, it will tell you that there is a 13-14 hour period between high tides, so your best guess is 13

By reading the graph I am 100% sure the answer is C) 13 hours

From a high concentration to a low concentration.

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.