How to make a masu box by Alexus

Dam's

     What is a dam  

A dam blocks a flow of water. Dams are in rivers, steam or estuaries.

            Where are dams built? 

Dam’s are built over a steam, a river and a lake 

What are the purposes  of dams?

The purposes  of dams are..to retain and prevent areas from flooding.

Where are the dam’s                                                                        

There are 5 dam’s located in the Waitakere Ranges, 4 reservoirs in the Hunua Ranges
and 1 reservoir  in Papakura.

Facts about dams 

they can control hydroelectric power.The dams supply 80% of our water.
We get l.8 metres of rain annually.