Why haven’t there been large earthquakes in hundreds of years at the Marianas Trench

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?

What pattern of migration do whales follow?

If jane has the blood type ab and marries john who has type o blood what are the possible phenotypes of their first kid?