Fluid balance is roughly equivalent to the water balance in the human body.
It is the serous membrane
I’m pretty sure it’s D, sorry if I’m wrong, I looked it up and it said “ Speed, latitudes, and direction of the objects determines the path along, which, the Coriolis effect deflects moving objects”
using subtraction to determine the volume dispensed
making sure that you read the volume with the liquid inside the pipette at eye level
ensuring that air bubbles are not in the column of liquid inside the pipette