Scientific validity is the applicability of a conclusion drawn in the context of a scientific experiment to the world at large.
Some advances is that organelles, cells, and the difference between the cells of a plant and a cell of an animal. This was an advance because not only did we discover new things but we learned how or body functions with them and how they work. Hopefully you got what you were looking for. :)
I was gonna try to help but then i realized i need help on the same question l m ao Explanation:
