Question

द सिस्टम विच मदर एक्सचेंज एनर्जी इन और मैटर विद सराउंडिंग इज ओपन सिस्टम क्लोज सिस्टम आइसोलेटेड सिस्टम ऑल​

Answer 1

Answer:

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The degree symbol or degree sign, °, is a typographical symbol that is used, among other things, to represent degrees of arc, hours, degrees of temperature, alcohol proof, or diminished quality in musical harmony. The symbol consists of a small raised circle, historically a zero glyph.