Question: Oxygen in atmosphere has been formed by _____
Options
A : Evaporation of water
B : Metabolism of microorganisms
C : Decaying organisms
D : Photosynthesis of blue green algae
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How the grooves in grinding wheels are produced using laser?
Which of the following operation is not involved in petroleum....
Which of the following process is used to recover vapours....
What is a term used for the conversion of solid....
Statement related to the process of evaporation that is incorrect....
Wet-bulb temperature is based on the equilibrium between rates of....
Through what is feed water from hot-well is passed through,....
The Number of Elements Satisfying g7=e in a finite Group....
In a finite graph the number of vertices of odd....
The order of the auxiliary polynomial is always:
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