"C" The only way something will make a shockwave or a sonic boom is if it's traveling faster than the speed of sound
About 20 minutes<span>Sperm can live outside of the body for only about 20 minutes
to an hour, depending on how exposed the semen is to the air and other
environmental factors. To avoid the slightest risk of pregnancy, a woman
should make sure that ejaculated semen doesn't get at all close to her
vagina.</span>
The structure that temporarily stores food in an amoeba is called the Vacuole
