1) What percentage of water has the Aral Sea lost?
80%

2) Why has this water been lost?
mainly because of very large scale irrigation of cotton fields and other agricultural related stuff

3) What other environmental problems affect the area?
the pesticides, fertilizers, and salts that are left behind by the evaporating sea results in winds picking up those sediments and blowing them into other areas. this results in a spike in diseases such of hepatitis and lounge disease.

4) What would have to be done to keep the lake at its present level?
9million of the 18 million acres of agriculturally used land would have to be expediently discontinued.



5) What did you learn about Lake Biakal from the video?
-1/5th of the worlds fresh water
-a large cellulose industry next to the lake is resulting in pollution
-the cities surrounding need the industry for their economy
-if the industry was closed right now, it would take 400 years for the chemicals to leave the lake

6) In the city of Verkhoyansk what extreme temperatures have been recorded?
some of the most scientifically important temperatures ranging 180 degrees from -90F to 94F


7) How did Russia's harsh winter help the country in the 1800s (and during WWII)?
napoleon Bonaparte men weren't able to withstand the harsh environment and fled

8) What made the building of the Trans-Siberian Railroad an enormous undertaking?
- the distance covered was more than 5,700 square miles
       a)the tracks had to pass 7 time ones
-between 1891 and 1903, 70,000 workers moved 77million cubic feet of earth
       a) cleared more than 1000,000 acres of forest
        c) and built bridges over several major rivers

9) Research and find a major city in Siberia.  What is its population and major attractions?
Novosibirsk
largest