I’d say the answer is B because C is too many points, as Jana has already had multiple mistakes or errors.
I don't like the idea of an alert system. You would never be able to surprise attack someone. If you pay attention you can get a feel for when someone is online or not. If an alert is added people will be able to move defenses around defeating the attack before it even starts.
People are already complaining defense is over powered and this will tip the scales further into defenses favor. If you want to know if your being attacked just check in more often.
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Answer:
6. Models like this kind are made of fabric, and woven nylon. These fabrics are dipped in vinyl then melted.
7. The fabrics are virtually vandalproof and extremely tough. They have survived bullets and arrows.
8.Small holes are no problem. A continuous fan keeps the billboard inflated.
Explanation:
You have to combine the sentences as you would say them.