2nd choice is the correct one
Answer: C. Germ Theory
Explanation: Germ Theory states that most diseases are caused by the presence micro-organisms within the body.
Presently, it is the accepted scientific theory for many diseases.
Some questions that can be answered by <em>Science</em> is:
-Is it possible to give nature and have shelter on other planets?
-What caused the global-warming?
-How can plane's fly?
Mouth, pharynx, esophagus