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English, 17.10.2021 14:00 kingbot350

Part A Which statement best expresses how the author achieves a particular
purpose in paragraphs 5 and 6?
The author describes the time it will take for spaceships to
reach the nearest star to explain why Nick Sagan's message
will never be heard.
The author builds an explanation of the limitations of a
spaceship's speed as a transition to a description of how warp
speed theory works.
The author contrasts various technologies that can increase a
spacecraft's speed to indicate the likelihood of reaching a
nearby star in the future.
The author includes unreasonable examples of how to
O increase a spacecraft's speed to emphasize the unrealistic
expense of such an endeavor.

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Part A Which statement best expresses how the author achieves a particular
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