In an endothermic reaction, energy exits the reaction is absorbed by the reaction stays the same throughout the reaction

Which are forms of nitrogen that are usable by humans

Which identifies the main purpose of biological taxonomy?

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?