Multiple choice

______ is the third planet from the sun.

  1. Mercury

  2. Mars

  3. Earth

  4. Venus
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Earth is the third planet from the Sun, orbiting at an average distance of about 150 million kilometers (1 astronomical unit). Mercury is first, Venus is second, and Mars is fourth. Earth's position in the habitable zone allows liquid water to exist, making it unique among the inner planets.

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