Answer:
I think its B but I may be wrong
Deposition is the geological process in which sediments, soil and rocks are added to a landform or landmass
C and D are units of length or distance.
A is a measured angle.
B is a unit of angular measurement.
The total work is
(mass of the elevator, kg) x (9.8 m/s²) x (9.0 m) Joules .
They enable us to dig deeper into the electron configurations by making us focus on electrons' quantum nature