It is based on 10000 year calender hope it helps...
Answer:
the study of how society chooses to use scarce resources to satisfy its unlimited wants and needs. ... in economics, any material provided by nature that can be used to produce goods or provide services.
Explanation:
Eu recomendo que você procura saber mais sobre a Rita Lee, uma roqueira brasileira dos anos 60-90 que tocava em uma banda chamada “Os Mutantes” e que vendeu quase 60 millions de álbuns.
The answer is; because it both authorises spending and appropriate funds.
<em>Hope this helped! :)</em>