D) El Nino because EL Nina is the cooling of the water.Photosynthesis is to do with plants and Tsunami is a storm
The answer would be A. carbohydrates (carbs) because carbs are generally composed of sugars and glucose (as an example) has the ratio between carbon, hydrogen and oxygen in a 1:2:1 ratio in its form: C6H12O6
Carbohydrates, Lipids, Proteins and Nucleic Acids
