In the carbon cycle, decomposers return carbon to the soil. Which of the following is NOT something that decomposers can break down?*
scraps of discarded food
the bodies of dead plants & animals
carbon dioxide found in the air
waste products like urine or feces

Select the correct answer. which statement applies only to the axial skeleton, not the appendicular skeleton? a. it contains a pivot joint. b. it has muscles attached that work in pairs. c. it contains red bone marrow. d. it possesses fossa for bone articulation. e. it protects the heart and lungs.