The Eight Panels Below Show Average Climatic Values Across the Year

Multiple Choice

The eight panels below show average climatic values across the year on a monthly basis, as represented by first letter of each month depicted on the x-axis. Temperature values are depicted as a line graph and represented by the left vertical axis, while precipitation values are depicted as a bar graph and represented by the right vertical axis. What is the primary factor other than precipitation or temperature that could change the description of a site near location 3 from an equatorial (tropical) climate to alpine tundra?

A) ocean currents
B) soil type
C) elevation
D) rain shadow