Examlex
Which of the following is most likely to help the residents of a nation produce more goods and services and achieve higher income levels?
Communication Systems
The devices, processes, and technologies used to exchange information between individuals or groups.
Fireflies
Bioluminescent beetles known for their ability to emit light through chemical reactions in their lower abdomen, used for communication and mating.
Social Animals
Animals that live in structured groups or societies, exhibiting cooperative behavior and complex interactions.
Eusocial Animals
Animals that live in complex, cooperative groups in which not all individuals reproduce, including many insects like bees and ants.
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