Dorothy works as a medical chemical in a pharmaceutical company. what could one of her assignments be?

She could be a spy sent from the Russian government that is collaborating with North Korea to spike every single prescription drugs known to man to destroy the pharmaceutical economy, making the United States prone to attack.

answer: option c. i.e. electric current flowing “downhill” from the negative electrode to the positive electrode in a battery

explanation:

the water analogy to the circuits define the pipes (water flows) to the electric current. now, we know that the electric current flows from the positive terminal to the circuit (as shown in the diagram attached).

hence, option c is the correct answer.