Describe how the picture below represents the function of the immune system

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?

Aperson with age is more likely to catch diseases that healthy people usually don’t catch.what are these infections called?

Diagram of the evolution of land plants?