1) What percentage of water has the Aral Sea lost?  60%
2) Why has this water been lost? becus the largest river is blocked by iiragation 
3) What other environmental problems affect the area? pestisides and 
4) What would have to be done to keep the lake at its present level? open up the river and  stop the use of the water
5) What did you learn about Lake Biakal from the video? cemicals will be in the lake for the next 400 years 
6) In the city of Verkhoyansk what extreme temperatures have been recorded? -90 to 94 
7) How did Russia's harsh winter help the country in the 1800s (and during WWII)? it stoped napolen from taking over russa ansd it stop and slowed dowen hitlar 
8) What made the building of the Trans-Siberian Railroad an enormous undertaking?it coverd over 5,700 mielss and harsh wether as wel as bildein briges over sevrell larg rivers 
9) Research and find a major city in Siberia.  What is its population and major attractions? my city is omsk it has a pouation 1,166,029