Failure allows you to learn that making mistakes is contrary for you to learn how to avoid making mistakes like that again. You can't avoid something if you don't even know where it's coming from, so you need to make the mistake of not avoiding it to know how to avoid it next time.
Answer:
Mayella's bruises were on the right side of her face, suggesting that she was punched by someone using their left hand. Later Atticus shows that Tom Robinson's left arm is permanently crippled. And it is shown later that Ewell is left handed
Explanation:
I would have to go with D.Old age slows even the most productive and hard-working people.