In this type of marriage, partners participate in each other's lives at all levels and have few areas of tension or unresolved hostility. Spouses may even work together or share projects, friends, and outside interests. a. total
b. vital
c. devitalized
d. passive-congenial

The type of marriage being described is:

a. total.

Explanation:

According to Cuber and Haroff, there are 5 types of marriage: total, vital, devitalized, passive-congenial, conflict-habituated. The total type of marriage consists of spouses who share many facets of their lives with each other. There is a low level of hostility and tension present, and the partners feel comfortable to participate in each others' lives. In this type of marriage, spouses often share friends and interests. As a matter of fact, the spouses often display an indispensable need for each other.

answer; i believe the correct answer is norming;

explanation:

may i ask what challenges?