यूट्रोफिकेशन (सुपोषण) मुख्य रूप से निम्नलिखित में से किस पारिस्थितिकी तंत्र (इकोसिस्टम) से जुड़ा हुआ 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?