सूर्य द्वारा उत्पादित ऊष्मा ऊर्जा पृथ्वी तक मुख्य रूप से किसके कारण पहुँचती है?

The Dandi March, also known as the Salt Satyagraha, was led by which influential leader?

Which act formally granted independence to India, marking the end of British rule?

Who was the key figure in establishing the Indian National Congress?