Answer:
the activity or condition of competion
I think that this is something you should, as the assignment states, "conduct independent research". meaning, this is something you have to do AT LEAST 90% yourself. my suggestion: start by googling 'yellowstone eruption' and go from there. I just don't want you to be in trouble with your teacher because you plagarizing.
They are composed of thylakoids.
The whale still has traces of a hip and pelvis bones in the back of his body witch scientist think they used to walk on land