Which is not a part of an electric motor? a. armature b. brushes c. commutator d. slip ring

12. complete each of the following word equations for synthesis reactions. a. sodium + oxygen -> b. magnesium + fluorine -> 13. complete and balance the equations for the decomposition reactions. a. hgo -> [with the triangle heat symbol above the arrow] b. h2o(l) -> [with "electricity" written above the arrow]

Stage in which a star’s outer layers have started to cool and grow outward?

Ineed ! i have no clue how to do this problem.