1. A<span>ccording to the national clearing house of alcohol and drug information (NCADI), most children under the age of 21, </span>who do not participate in drug and alcohol abuse, is virtually certain to never do so.<span>
2. T</span>he average age when youth first try alcohol is 11 years for boys and 13 <span>years for girls. The average age at which Americans begin drinking regularly in 15.9 years old.
3. Nicotine is the addictive chemical found in tobacco. </span>
It goes 2 , 5, 3, 4 , 1 in order from top to bottom
Do you mean "Convergent or Divergent"?
Answer:
This is an example of hypothesis testing.
Explanation:
A hypothesis is assumed to find out a causal relationship between two factors. Here, cheese or milk is independent factor and an upset stomach is a dependent factor. Victor wishes to confirm the causal relationship between stomach upset and intake of cheese or milk; so that her lactose intolerance shall be confirmed. Therefore, this activity is a form of hypothesis testing.