which of the following is not a valid conversion factor? A.) 60seconds/1minute B.) 12hours/1day C.) 1dozen/12 cookies D.) 1yard/3feet

I think the answer is b

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.

Only one reactant yields 2 or more products. meaning you will only have 1 product and it will break down into 2 or more products. eg. h2o -> h2 + o2