Mercury vapour is filled in a fluorescent lamp. why?​

Which is not a source of noise pollution? a)airplanes b)acid rain c)machines d)cars

Atotal charge of –6.50 µc is uniformly distributed within a sphere that has a radius of 0.150 m. what is the magnitude and direction of the electric field at 0.300 m from the surface of the sphere? a) 2.89 × 105 n/c, radially inward b) 6.49 × 105 n/c, radially outward c) 4.69 × 105 n/c, radially inward d) 9.38 × 105 n/c, radially outward e) 1.30 × 106 n/c, radially inward

Select all that applywhat are some basic resources a family is expected to provide for children? educationclothesspending