In Colder Temperatures, Alcohol Thermometers Are Preferred to Mercury Thermometers

Multiple Choice

In colder temperatures, alcohol thermometers are preferred to mercury thermometers because

A) mercury freezes at -39°C (-38.2°F) , whereas alcohol freezes at -120°C (-170°F) .
B) alcohol thermometers are generally more accurate, especially in cold temperatures.
C) alcohol thermometers are less expensive and more easily to replace if broken in extreme temperatures.
D) mercury is poisonous and are rarely used in modern thermometers any more.