Question

4. The chemical breakdown of organic substance by bacteria, yeast or other microorganisms to release energy in the absence of oxygen.____
. 5. The flowers obtained from the plant crocus sativus are used in dried form___​

Answer 1

Answer:

4) Anaerobic digestion

5) saffron

Answer 2

Answer:

4: anaerobic cellular respiration,

5: Saffron