Answer:
1 in 4 teen girls
Explanation:
Adolescents ages 15-24 account for nearly half of the 20 million new cases of STDs each year. Today, two in five sexually active teen girls have had an STD that can cause infertility and even death.
About 2 in every 5
There are about 20 million new cases each year
Experiments can show cause-effect relationships
D. All of the Above
Strong self esteem and self determination.
