to calibrate a brimetalic stemmed thermometer,you would ___
A. keep the thermometer at room temperature and then adjust the dial to 72 F
B. insert the stem in ice water and then adjust the dial to read 32 F (0 C)
C. turn the nut until the dial reads 0 F (-18 C)
D. insert the stem in boiling water adjust the dial to read 100 F (38 C)