Acidic groundwater dissolving limestone
Dying stars can explode.
A dying star can become a black hole.
A dying star can expand and get bigger right before they die.
I think yes but im just answering to ask a question sorry
The Kingdom Protista has a bunch of organisms thrown into the category because scientists have yet to sort them out properly. In the future these classifications might become more specific.
When the moon compleatly covers the sun