Life After People
concrete
10 of the 15 tallest dams in the US are made of
few hours
after the world population is gone, lights will start going off after
100 lbs
amount of wood that some termite colonies can eat in a year
2 years
average nuclear reactor holds enough fuel to keep running for
salt
biggest enemy of stone structures
3 million
miles of paved road in the US
70
number of pumps that work constantly to keep service tunnels dry underground in nyc
5 years
number of years it will take to make central park look like a wild forest
quagga mussel colonies
one year after humans disappear, the lack of maintenance of the Hoover Dam will allows _____ to clog the pipes used to carry cooling water
70%
percentage of electric power in the US that is generated by burning fossil fuels
true
plants would take only a few years to destroy everything
wood
roughly 90% of all homes in the US have _______ frames.
iron
steel cables in suspension bridges are subject to corrosion because steel is make mostly of
200 to 300 years
stored under ideal conditions, paper and film have an estimated shelf life of
Pripyat
the city of ________, evacuated after Chernobyl accident, is a good example of what could happen to a city after 20 years
american southwest
the last glow of lights on earth might be visible in
cellulose acetate
type of film that is very sensitive to light and humidity
36 hours
underground tunnels would fill with water after
true
we are the first generation that by deliberate action cause its own doom
100
years that it will take to destroy the Brooklyn bridge
