Many people are willing to suffer in order for the greater good. They feel that if their efforts and suffering can improve the lives of countless people, then their suffering was worth it.
Hope this helps
It is false that qualifiers are words like every, never, sometimes, and usually. These are conjunctions, not qualifiers.
D is the most appropriate answer, so i would pick that one.
A process by which a person becomes protected against a disease through vaccination.
Example:include tetanus, diphtheria, mumps, measles, pertussis (whooping cough), meningitis, and polio
