How Is the Energy That Powers Radio Galaxies,quasars,and Other Active

How is the energy that powers radio galaxies,quasars,and other active galactic nuclei produced?

A) by nuclear fusion near a central black hole
B) by magnetic fields that trap and accelerate charged particles,which then radiate high amounts of energy
C) by matter that has been converted to pure energy being shot out as jets by a central black hole
D) by gravity,which converts potential energy of matter falling toward a central black hole into kinetic energy,which is then converted to thermal energy by collisions among the particles of matter
E) by matter-antimatter annihilation near a central black hole

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