Do all systems have Inputs and Outputs? I’m sorry I’m really dumb

Yes they always do. And don’t worry. I’m dumb too

Yeah they do, it might help if you put systems on a table so you’ll have a visual on the inputs and outputs

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.