Final answer:
The Cessna 172 Skyhawk features two windows on each side, corresponding to the cockpit and rear seating areas of the aircraft.
Step-by-step explanation:
The Cessna 172 Skyhawk is a popular single-engine aircraft notable for its role in flight training as well as personal and business use. When discussing the number of windows on this aircraft, it is essential to accurately visualize its structure. Each side of the fuselage of a Cessna 172 typically features two windows placed one after the other. The first window corresponds with the cockpit area where the pilot and co-pilot or passenger would sit, while the second window aligns with the rear seating area. Hence, the correct answer to the question would be option (c) Has two windows on each side.