Answer:
have a good day
Explanation:
Examples of stimulants are dextroamphetamine (Dexedrine, Dextrostat, ProCentra), lisdexamfetamine (Vyvanse), methylphenidate (Concerta, Daytrana, Methylin, Ritalin), and the combination of amphetamine and dextroamphetamine (Adderall). Stimulants were first used to treat asthma and obesity. Today, they're also prescribed to treat problems such as ADHD, ADD, depression, narcolepsy, and other problems.
You can use sunscreen or tomatoes
Something you want to set, and Accomplish after a period of time
The answer is Black lung disease
If you are asking if its a physical or chemical change it would be physical.
