Correct answer
C. None of the above
Explanation
The correct answer is None of the above.
Electron microscope was invented by ________?
Top cross was first suggested by________?
The study of functions of different parts of insects is called________?
Compressibility of a liquid is defined as vertical or contraction in volume with variation of pressure. Therefore water is considered as ________?
Wilting point is that limit after that the crop starts feeding up and no water is available for plant, this point occurs after ________?
After rainfall the quantity of water that flows directly over the ground surface and join immediately to the river is called________?