What 2 compounds make up 98 percent of the pumpkin?

The two primary compounds that make up about 98 percent of a pumpkin are water and carbohydrates. Water typically constitutes around 90 percent of a pumpkin's weight, while carbohydrates, mainly in the form of sugars and fiber, account for much of the remaining content. These compounds contribute to the pumpkin's texture, flavor, and nutritional profile.