TYPES
an animal which first built dams
what is a beaver?
sustainable (translate)
durable
the most popular dam in the US
what is the Hoover dam?
A concrete dam which is very heavy which weight allows it to resist forces
What is a gravity dam?
a hazard (translate)
un danger
safety
what is the first priority of engineers?
a dam which has a curved shape
what is an arch dam
a sewer (def)
where does dirty water go to?
3 main goals of a dam
what are irrigation of crops, the production of electricity and the control of the flow of rivers? (+ fishing/ sailing/ prevent drought)
a dam with some external supports
what is a buttress dam?
the crops (def)
what are farmers growing?
thanks to locks
how do we help navigation on the Mississipi river?
a dam which has a trapezoid shape
what is an embankment dam?
a tidal power plant (translate)
une usine marée motrice
1%
how much does fresh water represent of the Earth total water?