Which of the following is part of using proper body mechanics

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

The presence of aids in a community often increases its level of property what is one of the main reasons for this

Which of the following processes does the body not use protein to perform? a. repairing muscles b. producing hormones c. making hemoglobin d. creating amino acids