Progestin-only pills work by ____

a. blocking the cervix c. inhibiting ovulation
b. creating inflammation in the uterus d. thinning cervical mucus

C

Psychology

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What percent of variance in sexual orientation does current evidence suggest that genes account for?

a. 5 b. 15 c. 50 d. 75

Psychology

Cocaine and the amphetamines cause _____

a. pupil constriction b. decreased appetite c. decreased body temperature d. increased blood flow to the extremities e. all of the above

Psychology