Answer:
November 21st of 1969.
Explanation:
In the year, 1969, the American Department of Defense put a military research network, called ARPANET online.
Is it solar heat? ultraviolet heat? UV?
Optima battery because it is stronger than a factory battery
Answer:
Header files serve two purposes. System header files declare the interfaces to parts of the operating system. You include them in your program to supply the definitions and declarations you need to invoke system calls and libraries.