When there is a large difference in the reading of the dry and wet bulb thermometers, it shows that relative humidity is? by Sunday | Jun 14 | Geography WAEC | 0 comments A. low B. moderate C. 100% D. 0% Correct Answer: Option A – low Users Also Read These:The mass of water vapour in a given volume of air is…When there is a remarkable difference between the…In a brooder house; which of the following factors…Plants that grow in an area that is neither too wet…A relative humidity of 100 percent means that air is?