A Hygrothermograph Is Used by the Weather Services to Record

Multiple Choice

A hygrothermograph is used by the weather services to record temperature and relative humidity (see figure labeled "Hygrothermograph") . The lower part of the graph is used to measure relative humidity from 0% to 100%. The upper part of the graph is used to measure temperature from 10° F  to 110° F. What was the lowest temperature recorded? Use the data in the figure to answer this question.

A) 80 ⁰ F
B) 70 ⁰ F
C) 75 ⁰ F
D) 65 ⁰ F
E) 60 ⁰ F