How does it demonstrates replication and
the other falsification in the production of
scientific knowledge?

1.Evolution

=There were a lot of evidences that were proved that evolution is believable. This tells us how living organisms have change and develop over time. Also the example of the Peppered moth that changes the colour because of the industrial revolution which causes the change of the next generations.

=There are also some certainty in the process which is called “Mutation” ,can affect many genes on a chromosome.

2.Gravity

=Sometimes people have questions on the gravitational theory if it is right or not.  Gravity force by a planet and each p;lanets have different values of gravity.