D. To monitor a flu epidemic at a school in Florida
Nurses were viewed as an essential factor during WWII
Regular exercise and physical activity promotes strong muscles and bones. It improves respiratory, cardiovascular health, and overall health. Staying active can also help you maintain a healthy weight, reduce your risk for type 2 diabetes, heart disease, and reduce your risk for some cancers.
I believe there is no such thing as b. perfect fracture.
I think the word is Biomagnification