Answer:
I think the answer would be weathering and erosion and weathering and deposition.
Explanation:
I am not completly sure,but I hope this helps :)
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.
The correct answer is B.
The industrial revolution brought spectacular technological improvements that led to huge productivity gains in the manufacturing sectors that started to demand a very high number of employees. On the other hand, there was an excess of labor in the agricultural sector that, at those times, employed the majority of the population and it had also become highly unproductive.
Therefore, there was a movement of labor from the unproductive agricultural sector to the productive manufacturing sector. This movement was attached to the transfer of people from the countryside, where agricultural activities were located, to urban areas, where factories were located.
