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प्रश्न
The vacuum flask was invented by Scottish scientist ______.
रिकाम्या जागा भरा
उत्तर
The vacuum flask was invented by Scottish scientist Sir James Dewar.
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
The vacuum flask was invented by Scottish scientist ______.
The vacuum flask was invented by Scottish scientist Sir James Dewar.