The bars in the drawing above are magnets. according to chapter 21, which of the following picture(s) is true? explain. then explain why the other 2 pictures are incorrect. make sure to explain all 3 sets.

grav forces affect all objects magnetic forces affect magnetic objects and electric currents

beta is electron from nucleus

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

i already answered it by 34/s

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2