Fact 1: Glucose is used for energy by the cells of most organisms.

Fact 2: Energy from carbohydrates is converted into glucose.

Given the two facts above, answer the question "What are converted into glucose?" with the following options: 
- Positive charges
 - oxidation reaction
 - Most plants
 - Veins and arteries.
 - carbohydrates
 - By wind and rain
 - passenger pigeons
 - acetic acid


 

     carbohydrates    