What is the main source of energy for plants? sugar, nutrients, decomposers, or oxygen.

Photosynthesis converts solar energy into what type of energy?

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?

How does the nervous system affect the excretory system?