Which two important things do many economics systems not considered to have value?

A. natural resources and human labor

B. supply and demand

C. capital and consumption

D. good and services

i was thinking A

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Explain the difference between selective breeding and genetic engineering in the development of food crops with desirable traits.

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Ben is an entomologist studying ant behavior. He wants to know whether ants are pollinators for a specific plant. In which stage of the plant's life cycle should he check whether a significant number of adult ants are acting as pollinators? A.

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