I’m which organelle does photosynthesis take place

It occurs in the chloroplast. Thats why only plant cells have chloroplasts. 

Photosynthesis if you didn't know is taking sunlight, water, and carbon dioxide to create energy and Oxygen as a byproduct.

Photosynthesis occur mostly in plants and the organelle in which it takes place is the Chloroplast

Chloroplast

Hope I helped

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.