Which of the following is not an example of how europeans have made important uses of their water supply? a. aquaculture fish farming b. dams that harness energy c. underwater waste containment systems d. canals that transport people and supplies

C. Underwater waste containment systems does not come in important uses of Europeans' water supply.

Almost all the industries rely on the supply of water. Farming and agriculture, ecosystem, and other industries rely heavily on the water supply so much that shortage affects the continent's economy. Due to the increased water shortage globally this has also increased more pressure and strict laws on water usage.  

One sector that wastes a lot of water is agriculture and it is believed that with efficient water usage, this sector can save a quarter of the water used for irrigation.