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Q:

You can hardly see that the hummingbirds have wings because of the:

  • 1
    rapid motion of their wings as they fly.
  • 2
    humming noise as they fly.
  • 3
    shining colour of their wings.
  • 4
    invisible wings due to a bright flash of sunlight.
  • Show Answer
  • Workspace

Answer : 1. "rapid motion of their wings as they fly."

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