Where do jet streams blow?
close to the poles
in the middle latitude
toward the equator
in the upper atmosphere

D) In the upper atmosphere

I took the quiz

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.