What are substances and materials that compose earth's interior

With the word calcite wich completes the analogy mineral, erosion, marble, or aragonite

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

Where substance is produced during cellular respiration