What process allows water to enter plants through their roots?

Osmosis

Explanation:

Osmosis plays a central role in the movement of water between cells and various compartments within plants. In the absence of transpiration, osmotic forces dominate the movement of water into roots.

Explanation:

Difference between azote and air is that azote is (obsolete) nitrogen while air is the atmospheric substance above the surface of the earth which animals breathe.