निम्नलिखित में से कौन सी गैस मुख्य रूप से ग्रीनहाउस प्रभाव (हरितगृह प्रभाव) से जुड़ी 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?