Asample that uses only people who are easy to contact is called a
sample.

a. representative

b. random

c. convenience

d. stratified

Which of these is most likely to prevent pregnancy? a. tracking of female body temperature to identify ovulation times b. proper condom use c. male withdrawal before ejaculation d. proper spermicide use

Now think of ways in which using healthcare services effectively can foster your health and ways in which not being aware of them is a health risk

Agirl is working really hard in high school and decides to finish some of her classes early , what classes should she choose?