can someone tell me what this is, its on my neck, its like a random splotch. it doesn't itch or anything. i just noticed it today. is it just acne or watever or something more serious. also the photo is a lot more serious irl its gray btw.

Which of the following are considered general purposes of performing pulmonary function tests (pfts)? 1. the functional status of the lungs 2. the diffusion characteristics of the alveolar-capillary membrane 3. how much and how fast gas can be moved into and out of the lungs 4. the specific diagnosis of pulmonary disease

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the dependent variable in galileo's experiment?

Acharacteristic associated with good social health is the ability to: a. get along well with others b. recognize your achievements c. do daily tasks without getting tired d. learn from your mistakes