निम्नलिखित में से कौन सा विकल्प पृथ्वी की भूपर्पटी (Crust) की औसत गहराई सीमा और पर्वत श्रृंखलाओं के नीचे इसके अधिकतम स्थानीय परिवर्तन को दर्शाता 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?