Epidemiologists are scientists who study diseases within populations of people. In essence, these public health professionals analyze what causes disease outbreaks in order to treat existing diseases and prevent future outbreaks.
Therefore the most precise answer is
D) it states both their analytical work (to study causes and patterns) and also what they pretend to achieve(to contain or treatment) but doesn't fully answer the question "Why their concern is so diverse"
A) Does not only give a full valid definition but answers the question "why they concern is so diverse (extensive)?"
because they study "ALL" diseases..
Thus, the correct answer is A
Answer:a is the answer:)!!!!!!!!!!I think is the answer
There are no following choices but some purposes of the reproductive systems are:
1. To reproduce and make many.
2. To express to each their love physically.
3. To use the restroom with as well.
4. Hormones as well.
