Answer:
C
Explanation:
By itself, spermicide prevents just 72% of pregnancies, the least effective of any major contraceptive measure. Because of its poor success rate, spermicide is often used in conjunction with other contraceptives such as patches and condoms.
1. D
2. A
3. A
4. C
5. B
diets
Putting on sunscreen prevents sunburn, but not over heating and stroke.
