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Planetary Checkup Review

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  • Are there many trees on Earth now?
    No, there aren't.
  • Astra and Cosmo also suggest that Earth people should not forget to...
    recycle
  • Who are Astra and Cosmo?
    They are alien planet doctors.
  • Who was the boss on Earth 230 million years ago?
    Mr. T-Rex
  • According to Astra and Cosmo, Earth was healthier without...
    cars
  • When Astra and Cosmo comes back to visit Earth, is it warmer or colder?
    It is warmer.
  • Instead of cars, what do Astra and Cosmo tell Earth people to use?
    bikes
  • Is the air cleaner in the future?
    Not, it's worse.
  • What planet are Astra and Cosmo checking?
    Earth
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