What does this indicate about the density of electrons around the oxygen atom as compared to the density of electrons around the hydrogen atoms?

a lot of bata raha hai to bahne to hai hi nahi hai

phylogenetic tree is the tree of life or evolution tree. it shows the different branches of evolution. the sequence goes like tissues - coelom - backbone - endoskeleton - segmentation

answer; /// i believe that the correct answer is (50%);