Explain disadvantage of precision

What is a neurotransmitter involved in mood reward, addiction, and motor behaviors?

Along the line connecting the two charges, at what distance from the charge q1 is the total electric field from the two charges zero? express your answer in terms of some or all of the variables s, q1, q2 and k =14ï€ïµ0. if your answer is difficult to enter, consider simplifying it, as it can be made relatively simple with some work.

From the perspective of an employee that effective channeling of work related information and concerns