Which transition by an electron will release the greatest amount of energy? hurry!

wire in brush may conduct electricity from cell to drill and vice versa electrc shock possible

it is given that trillions of microbes make up to 1% to 3% of the body mass.

let's take average of this percentage: 2%

consider the average mass of the human body as 70 kg.

then, trillions of microbes would have mass  

therefore, 100 trillion micro-organisms would weigh:

this is an approximate value and could change depending on the mass of the human body and percentage of the microbes present in it.

average mass per microorganism =

the answer is c. the lower legs are levers, and the knees are fulcrums. the ankles hold the loads.