Exploring the Planet Mars
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Questions and Answers

What is the composition of the poles on Mars?

  • Frozen carbon dioxide with a little water (correct)
  • Frozen nitrogen
  • Frozen water
  • Frozen methane

    • Why are scientists excited about the presence of water on Mars?

  • It helps in the formation of Mars' polar regions
  • It causes storms and fog on Mars
  • It makes the Martian surface cooler
  • It indicates a possible presence of life (correct)

    • What did early observers mistake as signs of potential life on Mars in the late 1800s?

  • Desert storms
  • Lush greenery
  • Volcanic eruptions
  • Long canals (correct)

    • How have humans primarily explored Mars so far?

    <p>Sending spaceships and robots</p> Signup and view all the answers

    When did scientists find evidence of liquid water on Mars?

    <p>2015</p> Signup and view all the answers

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