Explain how this discovery demonstrated one of the strengths of models of Plesiosaurs

Why do you think the puppy litter was all dark-haired?

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?

Knowing the importance of the essential elements, why would someone chose a diet that does not address all of them?