Answer:
Opportunity cost is the value of the next best thing you give up whenever you make a decision. It is "the loss of potential gain from other alternatives when one alternative is chosen". ... For example, opportunity cost is how much leisure time we give up to work.
Explanation:
hope this helped
I should be D/the last one
Answer:
The type of metal sheet used is your independent variable
Answer:
the word "most" is a superlative
