A shift from production level B to production level A would
A) represent an unattainable level of production and result in an inefficient use of resources.
B) result in an opportunity cost in the production of output Y and would be considered an efficient use of resources.
C) result in an opportunity cost in the production of output X and would be considered an efficient use of resources.
D) result in an opportunity cost in the production of output Y and would be considered an inefficient use of resources.

aliens are not real, the myth was created about 700 years ago because people found markings in the field of their crops. also, no there were no aliens on the moon.

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hi there!

moors is essentially another word for muslims.

the moors invaded spain around year 700, during their time ruling spain the muslims promoted religious tolerance (moors tolerated jews who were viewed as outcasts by northerners), the moors as well had a great impact on their language, and architecture (palaces were created).

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answer; during stalin"s rule, many mothers told their children that he was the greatest thing to ever happen to russia;