What explanation fits the growth model portrayed in the graph? a) limits to resources exist for a population. b) there were no limits to resources in the given population. c) food was in surplus for the population since it increased at a constant rate. d) gestation periods lengthened as time went on, decreasing the growth rate of the population.

Ithink b hope that

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.