Mass or volume-------------
Answer:
Usually the answer to this kind of question would be Condensation
Explanation:
You feel me my Guy...
Answer:
% of mass of electrons in C = 0.0272
Explanation:
Atomic no. of carbon = 6
So, no. of electron = 6
Mass of an electron = 
Mass of 6 electrons = 
Mass of C = 12.0107 u
% of mass of electrons in C = 
% of mass of electrons in C = 
Um... I might be wrong but I think it would be A. Photosynthesis