List behaviors that might not leave any trace fossils

Hair, Feathers, skin, fat, and muscle do not fossilize, they decay, so they cannot be found in fossils.

Another thing about fossils is that because they do not have any of those features, no one can tell what colors the animal may have been.

reflecting point a across the origin negates both of its coordinates.

b = (5, -4)

helen told me that she hoped i had enjoyed myself.