Determine the volume displaced and then calculate the density of this 54g sample of brass

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.

They are like other investigations? say there was a murder u have to do blood test and finger prints which run through a lab. 

Ibelieve the answer is d