what is the average january temperature in the dekalb area?\na 22 degrees f\nb 20 degrees f\nc 25 degrees…

what is the average january temperature in the dekalb area?\na 22 degrees f\nb 20 degrees f\nc 25 degrees f\nd 18 degrees f
Answer
Explanation:
Step1: Locate Dekalb on map
Find the approximate position of Dekalb area on the given January - temperature map.
Step2: Identify isotherm
Identify the isotherm (temperature - contour line) that corresponds to the Dekalb area. Based on the map, the isotherm passing through the Dekalb area is around 20 degrees F.
Answer:
B. 20 degrees F