Someone, please answer this but I don't want some answer saying 'oh so I didn't get what you wanted, so I copied this off of blah blah blah.' yeah please dont =^= approximately how many billion cubic meters of water did China become in 1980? how much is it expected to views by 2030?

818 billion cubic meters in 2030

Explanation:

4.8 billion cubic meter/year in 1980

the correct answer is ) possibility.

demonstrating opportunity cost is done through production possibility.

the opportunity cost can be demonstrated using the production possibility frontier or curve. this graphic shows the total number of possibilities for two products when we have the resources needed and used in an efficient manner. the main resources could be money, labor, and technology. the curve shows that the production of one good increases when the production of the othe