The cell theory states that the cell is the most basic unit of life, all organisms are made of cells, and all cells come from cells.
What makes the cell theory a scientific theory?

Group of answer choices
1.It is based on the work of many scientists and leads to accurate predictions.
2.It is based on a scientific publication that is read by scientists worldwide.
3.It is based on preliminary evidence but still needs to be confirmed with experiments.
4.It is based on ideas that have been proven true and that are not subject to revision.