Why can the volume of a sample of plasma change when the substance is moved from one container to another?

Plss anybody know how to do this? ? i need the answers from a through d

To protect all four receptacles on a branch circuit that surrounds a swimming pool, you would install which of the following configurations? a. gfci feed-through receptacle at the end of the load's circuit b. gfci-terminated receptacle at the beginning of the load's circuit c. gfci feed-through receptacle at the beginning of the load's circuit and the other receptacles connected to the load side of that receptacle d. gfci-terminated receptacle at each end of the load's circuit

Which quantities are scalars? choose all that apply a. distance b. speed c. acceleration d. velocity