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Select the correct answer.

The table gives the average temperatures and elevations of the inner canyon and the north rim of the Grand Canyon.

[tex]\[
\begin{tabular}{|l|l|l|}
\hline & Inner Canyon & North Rim \\
\hline Average Elevation & 2,100 feet & 8,000 feet \\
\hline Average Temperature in July & $107^{\circ} F$ & $77^{\circ} F$ \\
\hline Average Temperature in January & $56^{\circ} F$ & $37^{\circ} F$ \\
\hline
\end{tabular}
\][/tex]

Why is there such a vast climate difference in these two areas of the Grand Canyon?

A. The north rim is in the rain shadow area.
B. The inner canyon is close to a freshwater lake.
C. The north rim is higher than the inner canyon.
D. The inner canyon is close to the ocean.



Answer :

GinnyAnswer
The significant climate difference between the inner canyon and the north rim of the Grand Canyon can be attributed to their difference in elevation. Elevation influences climate and temperature because, generally, as elevation increases, temperature decreases. This is due to the thinning of the atmosphere at higher altitudes, which results in reduced air pressure and less heat retention.

From the table:

- The inner canyon has an average elevation of 2,100 feet with an average July temperature of 107°F and an average January temperature of 56°F.
- The north rim has an average elevation of 8,000 feet with an average July temperature of 77°F and an average January temperature of 37°F.

This shows a clear correlation between higher elevations and cooler temperatures. Therefore, the primary reason for the vast climate difference is the elevation difference.

Thus, the correct answer is:
C. The north rim is higher than the inner canyon.

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