(URGENT) Sequence the events to show the order in which they occur during the Krebs cycle. a. Citric acid releases a CO2 molecule and a hydrogen atom to form a five-carbon compound.

b. A four-carbon compound is converted into oxaloacetic acid.

c. A five-carbon compound releases a CO2 molecule to form a four-carbon compound.

d. A molecule of acetyl CoA combines with oxaloacetic acid to produce citric acid.

e. A four-carbon compound releases a hydrogen atom to form another four-carbon compound.