पारिस्थितिक अनुक्रमण (ecological succession) के 'चरम-प्रतिरूप सिद्धांत' (Climax-pattern Theory) का प्रतिपादन किसने किया था?

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?