Answer:
scarcity: the fourth one (a condition in which the quantity...)
trade off: the first one (giving up one or all...)
opportunity cost: the second one (the value of the second-best alternative...)
marginal analysis: the fifth one (comparing the additional costs and...)
marginal cost: the third one (the additional cost of making a change or choice)
I learned this last year but I'm pretty sure all of these are correct! I hope this helps!
