कौन सी प्रक्रिया यह बताती है कि मुख्य रूप से ऑक्सीजन पृथ्वी के वायुमंडल में कैसे वापस पहुँचती है?

Which of the following territories was annexed by Lord Dalhousie under the pretext of misgovernance, and not directly through the Doctrine of Lapse?

What was the primary stated reason for the Partition of Bengal in 1905 by Lord Curzon?