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Book 1 · roots 101–110
Sky, Earth & the Elements
Star, universe, moon, sun, earth, water, fire, air and light — the roots behind the vocabulary of science and the natural world.
আকাশ, পৃথিবী ও মৌল উপাদানের দশটি মূল — বিজ্ঞান ও প্রকৃতির শব্দভাণ্ডার
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Sky, Earth & the Elements
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