Question

the main source of energy of body
proteins
nucleic acids
lipids
carbohydrates

Explanation:

The question is about the main source of energy in the body. Carbohydrates are the primary source of energy for the body as they are broken down into glucose, which is used by cells for energy. Proteins are mainly for structure and repair, lipids for long - term energy storage and other functions, and nucleic acids for genetic information.

Answer:

Carbohydrates (the option with "Carbohydrates" text)