History, asked by karankaran34224, 4 months ago

1. ਮਨੁੱਖ ਨੂੰ ਵੱਖ-ਵੱਖ ਕੰਮਾਂ ਵਿੱਚ ਸ਼ਕਤੀ ਦੀ ਲੋੜ ਹੁੰਦੀ ਹੈ, ਜਿਵੇਂ ਖਾਣਾ ਬਣਾਉਣ ਲਈ ਅੱਗ ਅਤੇ ਪੱਖਾ ਚਲਾਉਣ ਲਈ ਬਿਜਲੀ ਆਦਿ ।ਅਜਿਹੇ ਸ਼ਕਤੀ ਵਾਲੇ ਸਾਧਨਾਂ ਨੂੰ ਕੀ ਆਖਦੇ ਹਨ?

Answers

Answered by kd11012006

0

Explanation:

ਪ੍ਰੋਟਿਨ ਕਿਸ ਨੂੰ ਆਖਦੇ ਹਨ?

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