1) What is the natural satellite of the earth? a) the sun b) none c) the moon 2) what's in the center of the solar system a) the moon b) the sun c) the earth 3) which is the smallest planet in the solar system? a) Venus b) Earth c) Mercury 4) Which is the hottest planet in the solar system a) Venus b) Mercury c) Earth 5) Which is the closest planet to the sun? a) Mercury b) Venus c) Earth 6) what causes the rotation movement? a) day and night b) seasons c) nothing 7) What causes the revolution or translation movement? a) day and night b) seasons of the year c) nothing

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