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The laws of refraction and reflection are the same for sound as for light. The speed of sound in air is 340 m/s and in water it is 1510 m/s. If a sound wave approaches a plane water surface at an angle of incidence of 12.0°, what is the angle of refraction?
Sexual Dysfunctions
A variety of problems that interfere with sexual satisfaction or function, often categorized by phase: desire, arousal, orgasm, and pain.
Homosexual Couples
Romantic partnerships between individuals of the same sex or gender identity.
Heterosexual Intercourse
Sexual activity between individuals of the opposite sex, often associated with reproduction but also engaged in for pleasure.
Masturbate
The act of sexually stimulating oneself, often leading to orgasm.
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