Why are some molecules polar? a. An atom in the molecule has more neutrons than the other atoms.
b. Hydrogen bonds create areas of partially negative and partially positive charges.
c. An atom in the molecule pulls electrons towards itself.
d. Hydrogen bonds pull electrons towards one of the atoms in the molecule.

C.

Explanation:

This is referred to as electronegativity and it is the how molecules are considered polar or not.

answer: 20 percent

the fish culture has become a developing commercial practice in developing countries which is already prominent in developed countries of the world. the major fish protein demand is being supplemented in developing countries is   fishing to meet the needs of the growing population. therefore, in some developing nations, the percentage of animal protein from fish in the diet can be as high as 20 percent.