Choose all the answers that apply without decomposers
-chemical nutrients would not return to the soil
-dead organisms would pile up
-the suns energy cannot be used
-matter would be recycled
- an ecosystem is unbalance

How does the fermentation of pyruvic acid in cells contribute to the formation of atp? a. it completes the oxidation of glucose to co2, creating atp. b. it generates lactic acid, which cycles back through the krebs cycle, producing 2 atp molecules. c. it converts fadh2 to phosphate, which bonds with adp. d. it produces 2 nad+ molecules, which cycle back to fuel the glycolysis reaction, allowing 2 atp molecules to be produced.