1. if there is not enough carbohydrate intake, how does the body form glucose?
2. if there is a glucose shortage, how does the body produce energy?

1.

Glycogenolysis(break down of glycogen to glucose molecules)Gluconeogenesis(generation of glucose from certain non-carbohydrate carbon substrates such as lipids)

2.

It can make glucose and then use thatUse lipids(some organs such as the brain can’t use lipids as their energy source and need glucose)

Hope this helps:))

The anwser is the universe