Answer:
it think the 3 option but im not sure
Answer:
Yes
Explanation:
Yes, there is the presence of a threat.
This threat is known as instrumentation. There is an Instrumentation threat when changes are made in the instrument, or the changes are made in the researcher, or the scorer when the research is being carried out.
In this question, mrs smith is the one who is the researcher, the program of reinforcement can be called the instrument. She made errors during the first few week but started getting it right in the second week. So there is a slight change in these two weeks. Causing instrumentation threat to how valid the program is.
Answer
agriculture
Explanation:
its basically nature or at least this is my opinion
The U.S. Constitution refers to the Constitution of the whole country, not the individual states, so the second option can't be the right one. Also, the power is limited and there is a way to have amendments, so the right answer is this one:
<span>It explains the organization of the federal government</span>
The answer is many different types of items