We don't have any proof that he or his own child got poliomyelitis as an infant. Also, this disease has been a serious issue <em>before </em>he became a doctor, so 2 is out also.
This only leaves one answer left. =)
D. 3 and 4
3 and 4 lists a few specific examples, such as; Musicians, Writers, Shift-workers and most creative and productive people of society.
Answer:
Those to face danger fearlessly are heroes to others
Explanation:
The first one hope this helps :D
Answer:
B. Compound sentence
Explanation:
A compound sentence is a sentence that has at least two independent clauses joined by a comma, semicolon or conjunction.