The research of ernst weber led to the formulation of a theory of

It is the theory of just noticeable differences of JND. In the branch of exploratory brain science concentrated on sense, sensation, and recognition, which is called psychophysics, a simply perceptible contrast or JND is the sum something must be changed all together for a distinction to be discernible, recognizable at any rate a fraction of the time

Dr. Moore can explain that this is a continental drift process and that it is an extremely slow process and therefore no one should be concerned.

Explanation:

Continental drift is a geographic phenomenon that allows continents to move and "walk" towards each other. It is true that this can make the continents shock and cause a great catastrophe that would make human life rich, but there is no need to worry. This is because this movement is extremely slow and would take thousands of years for the continents to collide.