The combining forms pareun/o - and venere/o - mean:

A. transmission.

B. sexual intercourse.

C. to expel suddenly.

D. infection.

B. sexual intercourse.

Explanation:

The word is pareunia which means coitus. The sexual union between a male and a female is called pareunia or coitus. Similarly, venerus is a Latin word meaning sexual intercourse between a male and a female. Thus, The combining forms pareun/o - and venere/o meaning the sexual act between a male and a female.