Hard engineering

• Give a disadvantage confusing levees?

  It is expensive and could overflow causing more damage

  
• Give an advantage of using levees?

  It allows the river to hold more water.

  
• The good thing about a divergent channel is that

  Water is diverted away from areas at risk.

  
• A disadvantage of a divergent channel is that

  It causes flooding in other places

  
• A dam

  Controls water flow

  
• Using a dam can produce

  Hydroelectric power

  
• Name a disadvantage of using a dam or reservoir to reduce flood damage?

  Very expensive

  
• To make a dam or a reservoir you have to

  Flood land