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.
Answer:
It's when two human bodies come together and make love. I can't explain it further but, you get the idea
Answer:
A. The combustion of fossil fuels heats water to produce steam, which then turns a turbine.
Explanation:
Most heat-based generation of electricity uses steam and steam-driven turbines to actually turn the generator. This includes coal, oil, gas, and nuclear power, and some solar power as well.
The heat source is used to heat water, turning it to steam. The steam is then directed at a turbine, turning it and the attached generator to produce electricity.
Passing the AP American Government and Politics exam demonstrates to colleges that you understand content taught at the college level. Furthermore, if you pass the exam, you receive college credit by most colleges. You can also show your interest in American Government and Politics by taking the exam.