Answer :

Which of the following cannot travel in a vacuum- none can travel in a vacuum.

To travel from one place to another by car, train, plane or ship; Travel: Travel for pleasure. To move or move from one place or point to another. Continue or proceed in any way. As a representative of a commercial company, I travel from place to place. Communicate or Spouse: He travels in wealthy crowds.

Travel refers to activities that involve long journeys. Tourism also means travel, but tourism has a specific purpose. It means a trip to a pleasant place. We travel with our hearts and eyes open to learning more about the world than a newspaper can contain. We travel by ignorance and knowledge to bring the least we can to regions where the distribution of wealth is different.

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