Which of the following is a common embalming fluid?

The correct answer is formaldehyde, which is widely recognized as a common embalming fluid used in the funeral industry. Formaldehyde serves a critical role in the embalming process because it acts as a preservative, helping to delay decomposition and maintain the deceased's appearance for viewing. Its effectiveness in disinfecting and preserving tissue makes it an essential component in many embalming solutions.

While water is a significant component in the embalming process, it is not an embalming fluid on its own. Instead, it's often used as a solvent or as part of the formulation but does not possess the preserving properties that formaldehyde does.

Alcohol might be used occasionally in embalming for its disinfectant properties or as a component of certain solutions, but it is not the primary agent. Similarly, aloe vera does not have a place in traditional embalming practices and is not known for its preservation capabilities in this context.

Thus, formaldehyde stands out as the primary chemical utilized in the embalming process, a key aspect of the profession that helps ensure the deceased is presented respectfully and appropriately for memorial services.