Answer:
More than Three (3) unit operations are involved when in the process of converting green coffee beans into brewed coffee. Examples are Drying operation, Milling, Pyrolysis process, Grinding operation, etc.
Proteins = polypeptides
carbohydrates = polysaccharides
lipids = trigylceride
nucleic acids = nucleotides
The answer would either be emissions into the air or trash from cruise ships. But i would say the answer is emissions