एक आंशिक रूप से संतृप्त मृदा द्रव्यमान (soil mass) को आम तौर पर कितने चरण वाली प्रणाली (phase system) माना जाता 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?