Chris is a high school junior who has wanted to attend college since he was in elementary school. According to recent research, what will MOST significantly influence whether Chris will attend college and, if he does, whether he graduates

his family income

Explanation:

Family income is the income of the family that share the same household. Income of all the members that are 15 years or more is collectively seen to calculate income of the family.

According to the question,family income is the factor that can impact Chris for attending college ad attain graduation.He might want to reduce stress of limited income by graduating and doing job for supporting his family or want to fulfill successful graduation for providing better facilities , household etc for family.  

the chair is the committee member from the majority party who has the most seniority. in the south carolina senate, the chair is the committee member from the majority party who has the most committee seniority.