Given that <span>the average volume of water that flows over the falls each second is 
gallons.
There are 3,600 seconds in one hour.
Thus, in one hour,
gallons of water </span><span>flows over the falls.
</span>Therefore, the amount of water that flows over the falls is <span>
.</span>
There are 3,600 seconds in one hour.
Thus, in one hour,
</span>Therefore, the amount of water that flows over the falls is <span>