Identify the major macronutrient by weight in each of the following key ingredients.

Olive oil
Carbohydrates
Fats
Proteins

Buttermilk/milk
Carbohydrates
Fats
Proteins
Neither

Distilled vinegar
Carbohydrates
Fats
Proteins

Plain Greek yogurt
Carbohydrates
Fats
Proteins

Which single ingredient accounts for the majority of calories in this recipe?

Eggplant
Olive oil
Yogurt
Buttermilk
Vinegar
Galric

I don't know what trouble you have in answering this question but you can look these up on the web as easy as I can. I can help get you started.

Fats have about 9 calories/gram.
Carbohydrates and proteins have about 4 calories/gram.