True..............................
Answer: C
Explanation: Observant people are typically smart, so their IQ wouldn't be low. Using imagination means to make things up, and an observant person would use facts, not imagination. Also, you can rule letter D out because being observant means to notice things, not to spend time alone.
Advantages
-its a renewable energy source
-provides water for irrigation
-can prevent uncontrolled flooding
Disadvantage
-Very expensive to build
-requires maintenance
-interferes with natural flow of water <span />
