Final answer:
The VFR fuel requirement for a day cross-country flight includes fuel to the destination and additional fuel for unexpected contingencies.
Step-by-step explanation:
The subject of this question is aviation. VFR fuel requirement refers to the Visual Flight Rules, which are guidelines for flying aircraft in clear weather conditions. When planning a day cross-country flight, the fuel requirements include not only the fuel needed to reach the destination but also additional fuel for unexpected contingencies such as diversions to alternate airports, holding patterns, or extended flight time.