The answer is D. CaCl2 and H2O
Answer:
When an electron moves from a lower energy level to a higher energy level, energy is absorbed by the atom. So B.
Explanation:
When an electron moves from a higher to a lower energy level, energy is released (often as light).
Im gonna go based on the content of their blood. So as the generation continues, a purebred's blood has not differentiated too much and contains 98-100% of a "pure" bloodline meaning no outsiders of where this purebred originated has mixed. A hybrid is where the original bloodline is mixed with many others, so while a purebred has 99% of the original bloodline and the hybrid has 50% and he other half belongs to an entirely different line.