Answer:
National heritage defines the critical moments in our development as a nation and reflects achievements, joys and sorrows in the lives of Australians. It also encompasses those places that reveal the richness of Australia's extraordinarily diverse natural heritage.
I gave you an answer check again
Answer:
and I think man I'm flabbergasted so if I messed up my bad brother I'm sorry
Explanation:
Gosh dang I don't I just said I'm flabbergasted
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.
