Which structure is the naturally occurring form of glucose? six-sided ring

multiple ring

five-sided ring

linear chain

The naturally occurring form of glucose is d-glucose, while l-glucose is produced synthetically in comparatively small amounts and is of lesser importance. Glucose is a monosaccharide containing six carbon atoms and an aldehyde group, and is therefore an aldohexose.

beta decay is the answer

- decrease the number of plants and animals living in the water.