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:
Your answer is C: He thinks they are arrogant and spoiled, and there is no place for them in America.
Explanation:
i did the assignment
Answer:the under class
Explanation: schools are poorly funded,no churches no medical facility
Answer:
A calcite deposit that hangs from the roof of a cave.
Explanation:
Im not sure but i think the answer is B
