Which of the following are made of carbohydrates? (Check all that apply) Vegetables
Bread
Fruit
Sticks
Butter
Bacon

Carbohydrates are actually made of sugar molecules.

The correct answer is option C, microorganisms

Reason -

Common cold or flu are viral diseases and thus they are communicable. Being a viral disease, there must be a virus ( considered as a micro-organism) which is  responsible for spreading the disease. For instance common cold is caused by several viruses such as,  influenza virus, oronavirus, respiratory syncytial virus, and parainfluenza. These viruses spreads with any sort of physical contact with the infected person.