What approximations did you have to make to predict the electron currents?
1)batteries always output approximately the same amount of current, no matter what is attached to them. 2)the temperature of the bulb filaments didn't change enough to make a significant change in the electron mobility.
3)the potential differences along the connecting wires were negligible.
4)the battery always maintained the same potential difference across itself.

The answer is  a.first and third quarters 

True aroms consist made of nuclesus that surrousded by 0n protons neurologist me asap what or else and

You need to be more specific.  i really don't know what a "motion map" is.you can draw a graph of an object's position, distance, displacement, speed,velocity, or acceleration versus time, or you can draw a graph of the object's x-position versus its y-position and not give any information about time at all.if the graph presents position or displacement against time,  then constant velocity is a straight line . . i.e. a line that has  constant slope.if the graph shows speed against time, then constant velocityis a horizontal piece of line.if the graph shows acceleration against time, then constant  velocity is a piece of line that lies on the x-axis . . it's value is zero.