Science · Teaching Learning Materials
निम्नलिखित में से कौन-सा सही सुमेलित है?
- 1मिट्टी - प्रकृति से आसानी से उपलब्ध✓
- 2खाली माचिस की डिब्बी - कम लागत वाली सामग्री
- 3चाकू - प्रकृति से आसानी से उपलब्ध
- 4नारियल का रेशा - अपशिष्ट सामग्री
सही उत्तर देखें
मिट्टी - प्रकृति से आसानी से उपलब्ध
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