Which of these theories do you think is the weakest and will not survive future research? Why

In order to be scientifically acceptable any theory must make testable predictions. I wonder whether evolution theory makes any? The timescales of thousands of years for evolutionary and adaptive changes that are postulated in Darwinism, which would result in marked changes in the species, certainly renders any such prediction untestable in the foreseeable near future.

Explanation:

pope john paul ii ( his real name is karol wojtyla) and lech walesa ( the leader of the solidarity movement ) were both born in poland.

four sitting presidents have been assassinated while in office but the first was abraham lincoln,