1. True- because scientific theory means that <span>idea supported through research that attempts to explain existing observations or predict new ones.</span>2. False- because a cross-sectional means that its a study that is about different groups.
3. B-<span>An extraneous variable clarifies the relationship between the independent and dependent variables.</span>
Answer:
if i am correct i think it would be
Optoin d
Explanation:
Asphyxiation because it is a condition caused by lack of oxygen, which causes one to choke.
Answer:
Examples of stimulants are dextroamphetamine (Dexedrine, Dextrostat, ProCentra), lisdexamfetamine (Vyvanse) and methylphenidate (Concerta, Daytrana, Methylin, Ritalin). Common examples are caffiene and amphetamines.
Stimulants is an overarching term that covers many drugs including those that increase activity of the central nervous system and the body, drugs that are pleasurable and invigorating, or drugs that have sympathomimetic effects.
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.