Which of these statements about the use of a diaphragm is FALSE?
a. it should be used with a spermicidal jelly
b. if you have intercourse more than once while having sex, remove the diaphragm before each time to apply more spermicide
c. it should be left in for 6 to 8 hours after intercourse
d. it should be inserted no more than 3 hours in advance of intercourse
b
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When a child combines the yellow and blue crayon colors in her drawing, the resulting color is green. Why is this so?
a. Because in an additive color mixture, combining these two colors yields green. b. When yellow and blue are combined, the yellow absorbs the yellow, and the blue absorbs the blue, leaving green as the only remaining color. c. The only wavelengths that are not absorbed look green. d. Because of an afterimage created by the particular addition of these two colors.
Carlos is in a school where the teachers encourage students to
focus on their own personal improvement and students' efforts and improvement are rewarded. Carlos's school most likely has: A) a performance goal structure. B) tracking. C) a task mastery structure. D) a progressive structure.