I think that it would be A- direct your research, but since I do not know the context of you question.
<span>an unstressed syllable followed by a stressed syllable?
Hope I helped :)</span>
Flexibility is the ability of muscles and joints to move through their complete range of motion
The first option is correct.
The first one, a brother & sister that immigrated to the Us from Ireland as children. The reason why is because they experienced the struggles as an immigrant first hand instead of using someone else's story, giving it more credibility.