Answer:
They may fade over time, but it depends on how deep the original scar was in that case it may be permanent.
Explanation:
You might want to try using products that have vitamin C, Azelaic acid or hydroquinone. Or try things that work for your skin type.
Good luck, I hope I helped. <3
Answer:
They have to learn how to read and speak English in school.
Explanation:
All of them are challenges though!
I by no means have any knowledge, but common sense leads me to believe it's D.
Structural issues like holes and leaky valves.