________ वह दबाव है जिसमें पूर्ण निर्वात (absolute vacuum) को संदर्भ (datum) माना जाता है, जबकि ________ वह दबाव है जिसमें स्थानीय वायुमंडलीय दबाव को संदर्भ 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?