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>
Personal Protective Equipment.. :)
Answer:no drinking while under the influence
Explanation it is against the law to drive under the influence. its best to have your transportation ready beforehand.
C. Gender Ability
Due to the fact that your gender doesn't affect your IQ!
