Edward Jenner discovered vaccine for which of the following disease?
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The most abundant element in the earth's atmosphere is
Chemical composition of cement is
The pH of a solutiion is 3. When its pH changes to 6, then H+ ion concentration
Sri Lanka on 9 December, 2017 formally handed over the control of the southern deep sea port of Hambantota to which country for 99 year lease?
Which organisation has installed India’s largest floating solar photovoltaic plant in Kerala?
Which country has started constructing world’s biggest floating Solar power plant in December 2017?
In Microsoft Word, under character formatting ___________ makes character stand out by making them bold, Italic or both.