Answer:
A: Radio waves.
Explanation:
Computers use short-wave radio in order to communicate with devices in it's immediate vicinity.
It is a program that may be used by a user to access files and navigate the World Wide Web. An example of this would be Firefox, Chrome, Safari, etc.
Answer: True
Explanation: Because anyone can post something and it can be non reliable
Answer:
High level Language
understand
Explanation:
rocket is 0...4433456u888
Other states should see how well the system works and also understand how much money it requires for the state to build a high-speed rail system.