What statement is true? (more than 1 answer)

1.Science is a collection of facts that does not evolve. We have gained all the knowledge we can from science.

2.Scientists observe natural events occurring around them. They question these observations and investigate them.

3.All scientists follow one scientific method of investigation

4.If a hypothesis is not verified by the results from the scientific method, scientists may either redo the process or create a new hypothesis.