Yes, without being charged, a phone will run out of battery.
no they can not
Green cell phones are newer phones that are not yet that popular. These phones are able to be solar charged by the sun so you do not need to tap into an electrical outlet ever during daylight. This helps lessen the impact of energy consumption which accounts for most pollution in the world.
Some are and some are not
No - for safety reasons, all new phones are shipped with their batteries fully discharged !
you will need to buy a UK to us travel plug power adaptor
no not all cell phones need internet
You need cell phones because if your in an emergency you can cll 9-1-1
Cell phones require: a cellular network, an activated and live SIM Card, and a charged battery (this is assuming that the phone itself has no problems).
Not in the U.S. You do need a license to cut and style hair, but anyone can answer the phones.
mobile phones are used for talking, messaging and communicating with people around the world.
yes you do.. all touch phones and smart phones from Verizon need internet.
In order to answer that I would need your phones brand and model number.