If the roof of your house could catch every raindrop without any being wasted, how much rainwater could be collected if there was a 10mm downpour?
can someone please help me with this thanks.....
bigbro_1992 wrote:If the roof of your house could catch every raindrop without any being wasted, how much rainwater could be collected if there was a 10mm downpour?
can someone please help me with this thanks.....