Answer:
Radio waves are used to transfer signals to and from the cell phone. Modern mobile phone networks use cells because radio frequencies are a limited, shared resource.
All of the cell sites are connected to telephone exchanges (or switches), which in turn connect to the public telephone network.
A system for combining symbols so that an infinite number of meaning full statements can be made is known as language. It's a rather complex system for combining systems - and forming rather meaningful statements. <span />
Answer:
If Jennifer's credit score is good, it would be useful to her because she would now be able to buy or rent a better home than she would have been able to with a bad credit score.
I think it might be A.) Day. Because when the axis is pointed towards the sun, that shows it is day because that area has sunlight in which you get during the day. It is night when the axis is pointed away from the sun because there is no sunlight in that area which causes darkness in which we get during the night obviously. Winter occurs when the earth is far away from the sun, in which there is no heat, and closest to the sun in which we do get heat, there will be Summer.
Hope this helps some.
