After 8 weeks on the different diets, the scientists collected the following data on the two groups of mice: the amount of weight gained the amount of body fat the composition of the microbial community, especially the abundance of the two types of bacteria that dominate this region of the intestine -- firmicutes and bacteriodetes

Then it is june the conclusion to the second sentence is just restating "if it is june then it is summer"

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.

Yes yes yes very good