What does it mean to hypothesize that "autism is a quantitative trait normally distributed in the population

What the theory that the sun goes around earth was replaced with the theory that earth goes around the sun this was an exaple of a

And give a detailed description! scientist observes the boundary between two tectonic plates for a decade and finds that no new volcanoes have formed over the course of her investigation. does this result support the theory of plate tectonics? why or why not?

Predict the results of a two base insertion or deletion in a strand of dna that codes for a protien, how does this differ from a three base insertion or deletion?