According to recent surveys, approximately what percent of teenage couples use contraceptives the first time they have sex?
A) 20 B) 36 C) 75 D) 89
Answer: C
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When Galton founded the science of eugenics, he ____
a. was following in the footsteps of Huxley b. invented the term "eugenics" c. studied the incidence of behaviors in northern Europeans versus southern Europeans d. became personally involved in aiding blood transfusions between Jews and Gentiles and between Africans and Caucasians e. denounced the study of blood transfusions between rabbits
Ozzie is planning on attending a very loud rock concert. As such, he should be prepared to experience _____ unless he takes precautions to protect his hearing
a. presbyopia b. macular degeneration c. presbycusis d. tinnitus
Here is a reasoning problem: "Some vegetables have seeds. Some things that have seeds are fruits. Therefore, some vegetables are fruits." What kind of reasoning does this represent?
a. a syllogism b. conditional reasoning c. propositional reasoning d. the availability heuristic
The embryo's bones, muscles, and circulatory system are formed by cells in its
A) ectoderm. B) amnioderm. C) mesoderm. D) endoderm.