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Question 1
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Over the past decade, the number of smartphones sold has increased dramatically, and simultaneously, the number of digital cameras sold has significantly declined. Which of the following is the most likely cause-and-effect relationship?
A.
The decline in digital camera sales caused the increase in smartphone sales.
B.
Smartphones offering built-in cameras have contributed to the decline in digital camera sales.
C.
Both trends are independent and merely coincidental.
D.
Economic factors have caused a decrease in demand for all electronic devices, except smartphones.
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