Trey, a late-developing teenage boy, is quickly gaining muscle mass. He is exhibiting aggressive behavior and mood swings. An initial health screening indicates that Trey has acne, excess body hair, and high blood pressure. Trey's symptoms are consistent with .

Anabolic steroid usage

Explanation:

Anabolic steroids is the medical component that is used for certain medical cases and also for some illegal purpose. Usually sports-related people use this steroid for boosting their muscle power, body strength,and performance in sports field and work out.It is composed of male hormone testosterone.This can have side effects like sudden mood swings, disorder, anxiety, anger and related physical changes such as pimples, acne, etc

According to the question, Trey might be using anabolic steroid for increasing  his muscles and strength for development.he is experiencing sudden growth of muscle along with acne, high blood pressure , mood swings and other such symptoms.

question - in 1827, john walker, a druggist in a small english town, tipped a splint with sulphur, chlorate of potash, and sulphid of antimony, and rubbed it on sandpaper, and it burst into flame. the druggist had discovered the first friction-chemical match, the kind we use to-day. it is called friction-chemical because it is made by mixing certain chemicals together and rubbing them. although walker's match did not require the bottle of acid, nevertheless it was not a good one. it could be lighted only by hard rubbing, and it sputtered and threw fire in all directions. in a few years, however, phosphorus was substituted on the tip for antimony, and the change worked wonders. the match could now be lighted with very little rubbing, and it was no longer necessary to have sandpaper upon which to rub it. it would ignite when rubbed on any dry surface, and there was no longer any sputtering. this was the phosphorus match, the match with which we are so familiar. according the paragraph what was the benefit of the new phosphorus match? it burst into flame when rubbed on sandpaper. it was made by mixing chemicals. it could be ignited on any dry surface. it threw fire in all directions.

answer - matches required natural chemicals