Cold Southern Oceans like the Pacific, Atlantic, Indian, etc. are collecting CO2 from the air!
Stomach acid helps protease enzymes to destroy harmful microorganisms that may be present in the food. Fats and oils, or lipids, provide insulation and an energy store for our bodies. Helped by bile from the liver, lipase enzymes break down the lipids into fatty acids and glycerol, so they can be stored.
It would be B. The genotype
That body parts are called "Homologous Organs" which are similar in origin & structure.
Hope this helps!
