Answer:
Cristal is formed when the solution is cooling because the solvent can't keep all the molecules of the substance and these molecules are beginning to leave the solvent and form solid crystals.
Explanation:
It means that every crystal is formed of one molecule of the solvent. When the solvent reaches room temperature, it is moved to the ice bath to finish the process of crystallization.
Endocrine system consist of endocrine glands that produces hormones. This hormones are carried by blood to their sites of function
A) earthquakes cause seismic waves.
The answer is
A
Behavior isolation is behaviors involved in mating which could also cause it to prevent mating