If food does not indicate glucose does that indicate anything else?

The presence of glucose indicates nothing other than the trivial fact that glucose is present.

it depends on the resteraunt. it is usually a leaf, or something that indicates something vegetable.

The arrows on a food chain indicate where energy is being passed. For example, an arrow pointing from some grass to a zebra means the grass gives energy to the zebra (when the zebra eats the grass).

Superscripts tend to be reserved for exponents, charge symbols and very little else. Subscripts commonly show what type of data is on display. For example if you have variable "t" in your...

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