Why do the muscles behind our ears twitch when we hear loud noise?

What happens in the process of photosynthesis

For several reasons you should only use hospital approved hand lotion two of the reasons are because they cause breakdown of latex gloves and can become contaminated with bacteria if dispensers are refilled what is another reason

Which of the following is a way to prevent poisoning? a. avoid the overuse of bleach and disinfectant. b. keep carbon monoxide detectors away from the kitchen. c. follow medicine prescriptions properly. d.