Question

a chemical that kills sperm. / 2 points spermicide morning after pill abstinence norplant

Explanation:

• Spermicide is a chemical that kills sperm. It is used as a contraceptive method.
• Morning - after pill is a hormonal contraceptive used after unprotected sex to prevent pregnancy, not by killing sperm directly.
• Abstinence is a behavioral method (not using a chemical) where a person refrains from sexual intercourse.
• Norplant is a long - acting hormonal contraceptive implant, not a sperm - killing chemical.

Answer:

Spermicide