What's the distinction between product and by-product then?
I called it a 'by-product' because it's not the product we're actually aiming for, not the point of the exercise - if oxygen were produced instead (by whatever science-ignoring magic) we wouldn't mind.
I called it a 'by-product' because it's not the product we're actually aiming for, not the point of the exercise - if oxygen were produced instead (by whatever science-ignoring magic) we wouldn't mind.