Question

which three elements are found in every carbohydrate? sulfur carbon hydrogen nitrogen phosphorus oxygen

Explanation:

Carbohydrates are organic compounds. By definition, they are composed of carbon, hydrogen, and oxygen. Sulfur, nitrogen, and phosphorus are not present in every carbohydrate. For example, glucose ($C_6H_{12}O_6$) is a simple carbohydrate and contains only carbon, hydrogen, and oxygen.

Answer:

carbon, hydrogen, oxygen