I do believe that the answer is 3,500.Hope it helped!
I think it is because the water is condensed in the air and the air is now hot INSIDE the shower, but when you step out the air isnt as condensed as it was in the shower.
Hope this helps
It depends on how fit/active they are but there is no set amount I would say at least 10
I think that it is a but im not sure of that so dont be dependant on my anwser
True, (sorry my answer needs to be 20 characters long so just ignore this part lol hope that helped)