Question

pregunta 29 (1 punto)
____ exists when there are not enough resources to satisfy peoples wants/needs.
○ a surplus
○ b scarcity
○ c marginal product
○ d trade - off

pregunta 30 (2 puntos)
the value of what you have to give up, in order to have something else is a/an ____.
○ a trade - off
○ b marginal cost
○ c utility
○ d opportunity cost

Explanation:

which aligns with the definition provided in the question.

Answer:

which aligns with the definition provided in the question.