Breads and other whole grain foods are composed of very large polysaccharide molecules which contain hydrogen, oxygen, and which other element? A) carbonB) ironC) nitrogenD) water

A

Explanation:

Carbohydrates are a class of of food that contains three chemical elements. All carbohydrates consist of the elements carbon, hydrogen and oxygen. These there elements form the building blocks for the carbohydrates class.

In fact, the chemical formula of carbohydrates is written in a way such that these three elements are the only elements present in a molecule of a particular carbohydrate