Which variable includes factors such as weather, terrain, and geographic features?

The choice of "Physical Environment" is correct because this variable encompasses the natural elements that can significantly impact military operations and strategies. Weather conditions, for example, can affect visibility, mobility, and logistical planning. Terrain refers to the physical landscape that can influence troop movement, positioning, and the effectiveness of different military tactics. Geographic features, such as mountains, rivers, and urban areas, also play a crucial role in determining how forces will engage or be deployed in a combat scenario.

In military contexts, understanding the physical environment allows commanders to make informed decisions about where and how to operate, which can enhance effectiveness and minimize risks. This knowledge is essential for planning missions, conducting reconnaissance, and ultimately achieving operational objectives.