Which is one of the three key types of relationship? a. role models. b. romantic partners. c. acquaintances. d. neighbors

The correct answer is B. romantic partners.

The three key types of relationship are friends, family, and romantic partners. All the other choices namely, role models, acquaintances, and neighbors are not part of the key types of relationship. So the correct answer is B. romantic partners. I hope this answer helped you. 

B. americans welcoming immigrants

I’m not sure about this but i think that it’s c