Cells are combined in a structure called tissue wich have the same properties like the cells wich are formed by.
We have seasons because the earth is tilted as it makes its way around the sun. So its always pointed in one way at the sun, causing different asmophere as we go around the sun.
I believe your answer is B :)
NOUN
the natural coloring matter of animal or plant tissue.
VERB
(pigmented)
color (something) with or as if with pigment.
"pigmented areas such as freckles"
