Respuesta :
A. Oxygen is the correct answer. Carbohydrates are easily remembered by using CHO (carbon hydrogen oxygen). Lipids are made of the same components.
Answer:
A. Oxygen
Step-by-step explanation:
Carbohydrates are made up carbon, hydrogen and oxygen. They usually have a hydrogen-oxygen ratio of 2:1, which is the same as water.
An easy way to remember what makes up carbohydrates is to just look at the name:
Carbo = carbon,
hyrdrates = water = hydrogen and oxygen