Which is one way that people communicate their gender within their culture?

private routines
type of clothing
annual salary
personal reading material

True or false? the usa has one of the safest food supplies in the world

As you sit in the library with your friend studying for your weekly quiz on the integumentary system, you come upon an article about the hazards of prolonged exposure to the sun's rays. your curious nature leads you to research the subject further. you're fascinated to learn that minimal exposure to the sun allows you skin to manufacture vitamin d, which is important to maintain homeostasis. you also read that although sunscreen can protect you from the ultraviolet (uv) rays of the sun, some medications can actually increase a person's sensitivity to the sunlight.

Which method of administration would result in the highest concentration of the drug in the brain?