What part of a nuclear fuel rod is reused for nuclear weapons after its spent? A-Uranium
B-Plutonium

Uranium

Explanation:

I had it on a 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.