there is not much water in the tundra but it is usually frozen all year.
28,568 % a year
thousands
About 52cm a year
No!
125.3
None of the oceans re completely frozen solid all winter. The Atlantic Ocean has a portion that is frozen all winter though.
yes it is frozen all year
Canada has a lot but the USA had 71.5 billion in half a year so 73 billion a year in 2011
IN CANADA YOU DO 2 THIRDS.
nothing because there are no mines in Canada
According to the council of Canadians it "purchase around 55% of our [Canada] from counties such as Algeria, Saudi Arabia and Venezuela"