No. That's a normal cycle. Use the iPad, then charge it to restore battery power. It might be best to charge only when the battery power gets low, instead of plugging it in each time you are not using it.
Yes, and worse yet could mess up your phone.
No problem at all.
No it wont you can keep it on the charger for 100 days
No. It is no different than texting or browsing the internet while your phone is charging.
theres a possibility you can die anyway, as the radio waves can mess up your head :D
No it cannot. Although it is a widely believed theory, this will not mess up a person's voice.
If it gets into the power supply that is charging it, yes. The power surge from a lightning bolt can easily damage or even destroy an electronic device such as an iPhone.
The Apple iPad 2 is said to have a battery that lasts for 10 hours on a full charge. Unfortunately, the battery life does decrease over time, so to delay this decay, make sure that you are properly charging your iPad 2. After a full charge, use the tablet until its battery indicator shows a red status, indicating that a charge is necessary. By constantly charging the iPad before its battery is this low, you'll be speeding up the aging of its battery.
then you might mess up the piercing.
No, but it is good practise to fully discharge and then fully charge up your iPad on a regular basis to maximize battery life.
They will scratch and mess up. They will scratch and mess up. They will scratch and mess up. They will scratch and mess up. They will scratch and mess up. They will scratch and mess up.
No - not at all. It will simply need charging a bit sooner than if you'd let it get fully charged.