In the following video you'll be looking at the water resource options in water-scarce parts of the world where freshwater supply is limited. Watch the video and then answer the question below.

Video 1 Water supply optionsVideo player: 1a%20Water%20supply%20options.mp4

Transcript:  https://www.open.edu/openlearncreate/mod/page/view.php?id=161925

To determine the energy usage, it's first important to understand the key process operating parameters, starting with the fundamental units. You'll next look at how these individual processes work, and what contributes to their running costs, starting with the fundamental parameters which define water process operation. 

You can now move to Section 2 Fundamental and derived SI units