Question

Nitrogen constitutes about 78% of the atmosphere by weight by mass by volume none of these

Answer 1

The nitrogen constitutes 78% of the atmosphere by volume so the right answer is option ‘c’.

There is the difference between the mass, volume, and weight, the mass refers to the quantity present in the body and it does not change whereas the weight is related to gravitational force and changes with the place where it is present and the volume quantity a body occupies.

Answer 2

heya....

your answer is:

Nitrogen consists about 78% of the atmosphere by Volume.

It may help you...☺☺