Multicellular plants and unicellular algae have one important feature in common. What is it? A) They contain chlorophyll. B) They reproduce by cell division. C) All are made of one or more cells. D) The cells of each contain exactly the same parts.

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

Someone me with this: a mineral' is determined by its actomic structure.

Someone with these questions! pls 30 pts