Answer:
The owe their origin to the period 1790-1850
Explanation:
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B) German reunification and the collapse of the soviet union
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Answer: Curvilinear relationship
Explanation:
A curvilinear relationship could be defined as a relationship where two variables tend to increase at a particular period and after a while one of the variables keeps increasing while the other decreases. The people were enjoying the song being played in the radio but after a while they get tired of it, they have been too familiar with it they request the playing time be cut down, this is a Curvilinear relationship.
I think a or c but if it is worg i will come back in see
