Which best explain why the sun maintained its size and shape

The force that is being produce by sun fusion process, and the gravity compressing evens out. That is what maintain its shape.

i think that d. wind is the answer.   i missed the question when i answered a. currents.

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.