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Answer: It refers to the decline in travel time between geographical locations as a result of transportation, communication, and related technological and social innovations.
Explanation:
Researchers found a total of 138 volcanoes in the West Antarctic Ice Sheet overlying the West Antarctic Rift System, 91 of which had never before been identified. Basically they have never seen those types of volcanoes before.
B. Giving equal wages. Keeping it positive