D. strings because if you have a ¨concert band¨ with strings in it then it is called an orchestra.
I dont know what animation you mean about but i will give my opinion.
ATP are used for energy, they are made inside mitochondria. Mitochondria use oxygen and food to make ATP, which is maybe what u mean by rechargable is because whenever you eat, the mitochondria will produce energy again and again.
Answer:
how ever fast the wind is
Explanation:
