Online Activities, Educational Games, Quizzes, Crossword Maker

Make educational games, websites, online activities, quizzes and crosswords with Kubbu e-learning tool for teachers


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muld

1. Muld koosneb Huumusest ja kvimitest
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2. Muld on Looduse toitia
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3. Mullas on Huumust
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4. Muld on vanim loodusvara
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