Answer:
A) Agents
Hope that helped! I wasn't 100% sure but I hope this is right. If it's wrong, please tell me! Have a good day!
Answer:
D) The smoke would settle around cities, reducing visibility.
The answer to this question is
B: the theory of evolution
I hyope this is correct and helps
The difference between a multicellular organism and a colonial organism is that individual one-celled organisms from a colony can, if separated, survive on their own. so yes colonial organisms can live on their own.