Evidence that the plates move can be found at spreading centers. New rock is found at spreading centers, and temperatures are hotter at spreading centers. What is the 3rd observation at spreading centers that geologists make

Food webs - transferring energy and matter from one level to another. here you see four food webs. one or more are incorrect. which food web(s) show the correct sequence of organisms, from start to top level consumer? a) a b) d c) c d) a and d

Which direction does the energy flow in this energy pyramid ?

How does photosynthesis show the conservation of mass and energy?