PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
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1. This is a mineral present in our teeth and used to strengthen our teeth enamel. This is present as a chemical in toothpaste. This _______ present in toothpaste fights tooth decay.
2. These are prepared from naturally available waste materials. They provide the micronutrients to the soil. They enhance the ___________ content in the soil. The property of the soil is fixed by them naturally.
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