जब पानी को लगातार मथा या हिलाया जाता है, तब उसका तापमान बढ़ जाता है। इस प्रक्रिया में क्या होता है?

The 'Drain of Wealth' theory was propounded by which Indian nationalist leader?

Which event is considered the turning point in Mahatma Gandhi's leadership in the Indian independence movement?

Which African leader is known for his non-violent opposition to colonial rule?