defectors-part of the body that responds to counteract the change in the setpoint and it is activated by the control (I will give brainliest)

rising temperatures because when water vapor in the air is cooled, it condenses. it turns back into a liquid and attaches to dust particles in the air. these very small water droplets group together to form clouds

sound moves fastest in solids because the molecules are tightly packed and it allows sound to vibrate