Why do we use roman numerals for transition metals?
Because it dictates the number of electrons the
ion has.
Because it dictates the charge of the metal ion,
and because transition metals can have various
charges

How do cells grow and reproduce to maintain homeostasis?

Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.

Were you able to observe the nucleolus in any of the cells if so which ones