This was an answer i found on google from Nasa
Answer- C (water and carbon dioxide)
-number of electrons
-atom size
-charge of the atom
-number of protons
Hi I need Help with this :
A swimming pool has an inlet pipe that can fill the empty pool in 12 hours with the drain is closed and the inlet pipe is closed the drain can empty the full pool in 20 hours. When the pool is empty how long will it take the inlet pipe to fill the pool drain if it is left open ?