Answer:
Phone :
A phone is one of the most useful thing in the world.
It can help with almost everything including with gathering information, studying, and more.
It's also used for fast communication, you can also use it for emergencies, it's also pretty handy since you can put it in your pocket and call for help using emergency call if anything happens.
Phones can also be used for entertainment.
Phones are also bad for the health since if you use your phone too much you'll be exposed to the radiation which can lead to skin burn.
which is really bad especially today, most people have been addicted to their phones they're even glued to it when doing stuff, some don't even sleep.
Explanation:
:) I think I wrote something more of an essay but take care
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