Answer: (A) The conclusion is valid because the independent and dependent variables in experiment were controlled.
Explanation: There are some basics requirements in order for an experiment to be valid: hypothesis, monitoring, independent and dependent variables and constants.
Answer:
The correct answer is - prevalence.
Explanation:
Prevalence is the number of individidual cases that are alive with the disorder at a particular time frame or particular time. It provides the measure more precise.
The given question is comes under Prevalence as the factor of prevalence of HIV cases was based, on average, on number of infected people with HIV in New Jersey by ethnicity, race and gender for the most recent 1 year time frame.
Thus, the correct answer is - prevalence.
D) Lesser amounts of fresh metals would be needed.
In a chemical reaction, a reactant bonds to an enzyme at a region known as the Active Site.