What is a anxiety? what causes an anxiety? and how do you calm down anxiety?

If you know answer will mark brainliest

Many1. why should teens be aware of health issues such as healthy sexuality, dealing with conflict, healthy decision making and cpr? 2. a) what are the 3 most important aspects/skills to learn in order to play volleyball activity well? b) explain how each aspect/skill is important when playing the game. c) describe 2 points of strategy you could use to you be successful at this activity.

Which do you focus on to lower your set point