What determines whether a given mutation is neutral, advantageous or disadvantageous?

Plz will mark! the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Which would be the most useful source of evidence to support mcneill's contention?

After a group of researchers conducts a new experiment that has never been conducted before, what is the best way for other scientists to make sure that the data is real