What kind of pattern do you notice with the structure of dna? for example, what pattern do you see with the rails and rungs of the ladder structure?

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?

Describe the layers of the suns atmosphere?

Are the layers of rock above and below the coal older or younger?