When electromagnetic fields interact with charged particles, a- they become stronger because they gain protons
b- they become weaker because they gain electrons
c- electromagnetic force will occur
d- electromagnetic forces are cancelled

i think the answer would be b

igneous rocks also form where plates converge. the subducting plate melts as it sinks into the crust of the earth, and the melt rises into the overriding plate forming volcanoes. metamorphic rocks are formed mainly in the lithosphere, wherever there is high pressure and high temperature. -woods

i already answered it by 34/s