1) What is the largest desert in the world? a) sahara desert b) arabian desert 2) smallest planet in our solar system? a) mercury b) jupiter 3) who painted mona lisa? a) leonardo da vinci b) vincent van gogh 4) largest organ in the human body? a) bones b) skin 5) deepest ocean in the world? a) pacific ocean b) mariana trench 6) first person who walk in the moon? a) scott kelly b) neil armstrong

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