2011 की जनगणना के अनुसार, प्रवासियों को आकर्षित करने के मामले में कौन सा भारतीय राज्य पहले स्थान पर था (जहाँ सर्वाधिक प्रवासी आए)?

In traditional anthropological classification of human races, which racial group was characterized as 'yellow-skinned'?

What is the approximate estimated proportion of ecumene (habitable) and non-ecumene (uninhabitable/sparsely inhabited) areas on the Earth's surface?