In a cathode ray tube, the number of electrons that reach the fluorescent screen is controlled by the a. cathode. b. anode. c. grid. d. deflecting plate.

C) The answer is grid .

Explanation:

Grid lies between cathode and anode with varying volts . It controls the no of

electrons reaching screen. It is kept closer to cathode which emits electrons.There may be more than one control grid.  

falling water hydro = water .. spectcular places these plants are

beta is electron from nucleus

something from nucleus has changed, but charge must be same for cons of charge