Which out of the following is not a launch vehicle of India for placing satellites in the orbit?
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By which process the Chinese Scientists have cloned two identical long - tailed macaques?
Which of the following is man-made fibre?
The red planet is ___________.
In 2004, NASA launched the Messenger Spacecraft to study ___.
The method of soil conservation in which stones, grass, soil are used to build barriers along contours and trenches are made in front of the barriers to collect water is called?
Why does ice covered in sawdust not melt quickly?
Which among the following has the maximum life span