Sextant is an instrument used in which of the following ?
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Consider a hypothetical planet with a mass equal to half that of Earth and radius is one-third that of Earth. If g is the acceleration due to gravity on Earth, the acceleration due to gravity on the planet will be
Why do the plant closes stomata when it does NOT need carbon dioxide for photosynthesis?
Beginning from the Financial Year 2017-18 NITI Ayog plans to replace the 5 year plans with which of the following
First country to make constitution is ________.
Land covers about ______ of the earth's surface.
In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.
Showing a skilful use of underhand tactics to achieve goals
A small piece of burning or glowing coal or wood in a dying fire