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  1. 1

    What problem did Minji find in art class?

    She found that they made dirty paint water in art class.

  2. 2

    When did Minji come up with the idea for her invention?

    She came up with the idea when she saw her mom throwing away old water filters.

  3. 3

    What can we do with the Green Art Box?

    We can use it to clean dirty paint water in art class.

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