What is specialization? Question 12 options: people spending their time on different activities having your country produce different types of exports becoming an expert in a specific trade or pertaining to a specific good being produced.

Which of the following is an example of an opposing signal? no examplthates given.   i would say, that traffic lights in a city at major intersections direct the flow of traffic in opposite directions so would be an example.also, stop signs on either side of the same street would be an example. at a train crossing, the light for allowing car traffic in opposite directions or not would be another example.

a

explanation:

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