eliminates nondigestible waste
So B is the answer
Your answer is D because any phase change is considered as latent heat. In this case, it is latent heat of vaporization. Hope this helps! :)
The answer is B. The circular model illustrate the flow of income and expenditure, and expresses how change by with consumers or producer can influence the other. If consumers were spending less, then producers would lower their production to match the consumer demand for that good or service.
It’s C, mostly by process of elimination.
A is instantly discardable because American dollar bills are not metal.
B is discardable because the opposite is true. Money must be available in limited amounts because scarcity is what gives currency value.
D is instantly discardable because not all countries use the same currency. A US dollar is not a Euro.
C is correct because money must be easily transferable, or it cannot be easily spent. If you cannot spend/use/transfer a currency, it has no value.