In a traditional economy, information about the way goods are produced is passed from one generation to the next by-
O Legal System
O Family
O Public Schools
Governments

I’m pretty sure it would be legal system :)

True as the lakes are a marine body. also there's no difference in lake and ocean except for the size.

Aregion is an area of land that has common features. these features can be natural, such as climate or landscape. they can also be artificial, such as language or religion. the xinjiang uyghur autonomous region, above, is an area of china inhabited by uyghurs, a muslim group with ethnic ties to turkish people.