Is there a way to fade iPad mini scratches?

There are two scratches (not cracks) on my iPad mini is there a way to fade or get rid of them? If not it's fine

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How do I create good sleeping habits?

For the past year or so I have been sleeping very little. And I'm 17, so I'm probably getting way less than I need. I'm always on my iPad way late into the night, and I can never just go to bed early enough because I want to be up. I'm guessing I should stop being on my iPad before bed, but how long before bed should I turn it off? How do I create really good sleeping habits to get a quality sleep? I feel like I don't know where to start.

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What's up with my friend?

After me and my friends were done watching a movie one of them was acting moody, he wouldnt play pubs (you hit someone in the arm until they say 5, not enough to hurt them or anything) and he was on his ipad while we were all singing and having fun, do you think he felt left out or something?

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Is it possible to use my iPhone's sim card in my iPad to access data usage?

I know that my iPad obviously can't make calls via cellular but they both use the same sim card and was hoping to save some money instead of having two separate plans. My current carrier is Verizon
Added (1). I'm actually not in possession of the phone of tablet currently but are about to switch plans, so the knowledge of whether or not to get an iPad too would be much appreciated.

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