Which foods hinder your ability to sleep?

Explain what causes the skin to burn in the sun? explain why people should avoid the sun if taking a photosensitive medication?

Which of these is a sexual stereotype? a) on average, males are taller than females. b) people over the age of 60 are not interested in sex. c) male hormone levels differ from those of females. d) there are more male representatives than female representatives in congress.

What angle should your knees not bend past when squatting? a. 30 degrees b. 45 degrees c. 90 degrees d. 120 degrees