A sphere of radius R1=0.310R1=0.310 m and uniform charge density −16.5−16.5 μC/m3 lies at the center of a neutral, spherical, conducting shell of inner and outer radii R2=0.543R2=0.543 m and R3=0.745R3=0.745 m, respectively. Find the surface charge density on the inner and outer surfaces of the shell.

The answer is water molecules are split.cellular respiration and photosynthesis are complement  reactions to each other. these are reverse reactions. in cellular respiration glucose and oxygen yield water and carbon dioxide. so, when respiration begins,  glucose molecules are split. in the opposite reaction - in photosynthesis, carbon dioxide and water yield glucose and oxygen. thus,  when respiration begins, water molecules are split.

Make them both to where they have the denominator of 18that makes 3/2 equal 27/18 and 1/9 equal 2/18so now you have  27/18x+5=2/18subtract 5 from the other sideso now you have 27/18x+2/18-5then subtract 2/18 from 27/18 to get 25/18x=-5then divide 25/18 by -5 and your answer will be  -5/18