> Handling of sewage dumps – sewage lines, maintenance of such sewage lines, environment impact studies when developing new residential areas / factories.​

What organization and environment is described above?

If you put a helium-filled balloon in the refrigerator, what will happen?

Two 2.0-cm-diameter disks face each other, 1.0 mm apart. they are charged to ±10 nc. what is the electric field strength between the disks? a proton is shot from the negative disk toward the positive disk. what launch speed must the proton have to just barely reach the positive disk?