गैसों का कौन सा जोड़ा मानवजनित ग्रीन हाउस प्रभाव में महत्वपूर्ण योगदान देता 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?