This lesson talks about the movement of people from one place to the other place and then the exchange of culture of two places leading to bringing people of different areas together.
<u>Explanation:</u>
Migration and cultural exchange is the lesson which talks about the importance of the migration or the movement of the people from one place to the other place for the search of better living opportunities and to improve their standards of living.
With the movement of people from their place of origin to some other place, the culture of those two places also get exchanged and people get to know and learn about the culture of some other place.
After reviewing the graph you posted with the question and also reviewing the 2011 reference tables, the estimated number of daylight hours that can occur on January 1 at 40° N latitude is 8.5 hours - 9.5 hours. Either of these will be correct to use.
