Final answer:
The question pertains to the structure of a Seabee rifle platoon, which falls under Social Studies. Specific details about Seabee platoon composition are not provided, but a standard US infantry rifle platoon often includes a headquarters and three to four rifle squads.
Step-by-step explanation:
The subject of the question, "A Seabee rifle platoon consist of a platoon HQs and how many rifle squads?", revolves around military organization, specifically that of the US Navy's Seabees, who are part of the Naval Construction Force. This falls under the broader category of Social Studies as it relates to military history and structure.
Unfortunately, the provided reference information does not contain the specific answer to the question about the composition of a Seabee rifle platoon. Without the appropriate reference to the current organization of a Seabee platoon, a precise answer cannot be given. However, in general terms, a typical US infantry rifle platoon usually consists of a platoon headquarters and three to four rifle squads, but this may vary based on the branch of service and specific unit organization.