Fact 1: Damming a river can cause a lake to form.

Fact 2: You can also water ski on Lake Mohave north of Davis Dam.

Given the two facts above, answer the question "To open more areas for water skiing, engineers could" with the following options: 
- dam more rivers
 - to move people
 - protect them
 - vacation in Norway
 - Move to another area
 - build more snow machines
 - scrap all steam locomotives
 - Electric generators


 

 dam more rivers        