Which of the following statements about the formation of cumulus clouds is supported by the data presented

Question:

Which of the following statements about the formation of cumulus clouds is supported by the data presented in Figure 1? Cumulus clouds typically form in:

A. Pressures between 8 and 12 psi and at an average temperature of 35^◦C.
B. Pressures between 12 and 16 psi and at an average temperature of 22^◦C.
C. Pressure of 4 psi and at average temperatures between 12^◦C and 22^◦C.
D. A pressure of 18 psi and at average temperatures between 50^◦C and 60^◦C.