Eli states that sodium phosphate is a mixture because it is composed of both sodium ions and phosphate ions.

Closing a ring restricts the rotation around individual car bon carbon bonds hope it will you !

The basic building blocks of dna and rna are nucleotides

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.