GRE Text Completion Question 643

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Source: XDF

Because electromagnetic waves travel at the speed of light, radio communication between astronauts on the moon and the Earth would be_____by delays of only several seconds, whereas astronauts voyaging to the planets world face communications delays of minutes or even hours.

  • A bolstered
  • B hampered
  • C enervated
  • D facilitated
  • E ravaged

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