To qualify what must a woman’s average speed have been in meters per second

Label a-f based on the table using c for concentrated and d for dilute

Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.

Ab c or d ? i’m not sure what the answer is