Question

average monthly temperatures of rio de janeiro and arica
the summer season at arica and rio de janeiro occurs from approximately
march 21 through june 20
june 21 through september 22
september 23 through december 20
december 21 through march 20

Explanation:

Step1: Recall the seasons in the Southern Hemisphere

Rio de Janeiro and Arica are in the Southern Hemisphere. In the Southern Hemisphere, summer occurs when the sun is at its highest point in the sky for that hemisphere. This is from December 21 (summer solstice) through March 20.

Step2: Analyze the temperature graph

Looking at the temperature graph, the temperatures for both cities are relatively high during the months of December - March. This aligns with the fact that in the Southern Hemisphere, summer is from December 21 through March 20.

Answer:

December 21 through March 20