Answer:
the study of the structure, reaction, and composition of different kinds of substances
Explanation:

Answer:
False.
Body Mass Index (BMI) is a measurement of height to weight and is not a component of fitness. The components of fitness are muscular strength, muscular endurance, cardiovascular endurance, flexibility, and body composition.
Addiction can really impact on not just the person but on other people who are close to the person with the addiction. it affects the brain because it slowly gets used to whatever they’re addicted too and it’ll depend on it. so the brain thinks you always need it and so do you.