4. Find the potential difference between a point
infinitely far away and a point 0.01 m from an
electron with a charge of -1.6 x 10-19 C.

what is the question because that is not a question.

a lot of it means it can be "burned" for energy and sold at one price. if it is scarce, the price will go up

the answer you are looking for is d. there are no holes for blood to enter or leave the system. your welcome