The _________ keeps the average temperature of the Earth fairly steady.
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Which of the following is a string based Indian musical instrument?
______________ among the following is a Language of JavaScript.
Which one of the following does not belong to the group?
The longest day of the year in the Northern Hemisphere occur on _____.
Sound travels at a speed of 333 m/s in the air, thus, in 1 s, a distance of 333 m is travelled by
What was invented by Zacharias Jansen?
If x2+1x2-6, then find the value of 2x(x-1)x3-x2-x+1