कोयला जलाने पर आधारित थर्मल पावर प्लांट मुख्य रूप से वातावरण में निम्नलिखित में से किसे शामिल करके प्रदूषित करते हैं?

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?