The production of crops and farm animals for sale, usually with the use of modern technology: commercial farming methods.
The inuit in canada and Greenland, and the Yu'pik, Iñupiat, and Athabascan in Alaska, are just a few of the groups that are native to the Arctic.
Answer:
I think it is rivers because you can't drink out of the ocean and lakes are nasty aquifers are usually smaller so rivers would be most likely
Explanation:
There's a calculator in this planet earth just use that. It's easy
