A) T<span>he evolution of multicellular life</span>
It's important to not misuse or overuse antibiotics because of the risk of drug addiction, and the side effects (overdose, and decline in physical health) of having misused and/or overused an antibiotic. In fact misusing or overusing antibiotics could create more problems than what you originally used the antibiotics for.
It is more than important to have a family
Quantum Physics help us understand the properties of solids, atoms, nuclei, sub-nuclear particles and light.
The word quantum refers to discreteness.
Birds and butterflies don't have a common ancestor because one is a member of a insect and the other is well a bird. They both have different body structure. One has bones and the other has an exoskeleton. hope this helps
