वह पारिस्थितिक नियम कौन सा है जिसके अनुसार ठंडे वातावरण में रहने वाले समतापी (गरम खून वाले) जीवों के हाथ-पैर और उपांग छोटे होते हैं?

The 'Drain of Wealth' theory was propounded by which Indian nationalist leader?

Which event is considered the turning point in Mahatma Gandhi's leadership in the Indian independence movement?

Which African leader is known for his non-violent opposition to colonial rule?