According to the National Population Policy 2000 of India, the target year for achieving population stabilization was initially set for 2045, which has now been extended to which year?

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?