What is a safety rule while using glass beakers

Dont look directly into the beaker 
 if it breaks let a teacher know 
dont put in your mouth
use only pyrex so it wont shatter under heat 

If the water vapor content stays the same and the temperature drops, then the relative humidity increases. its vise versa.if the water vapor content stats the same and the temperature rises, the relative humidity decreases. so, yes, i'd say that temperature and humidity have a strong relationship.

False because saturated fatty acids contain only single bond