D. The word "food" is the most abstract because it is the least specific and does not specify what food it is exactly.
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Answer:
The correct option is communication diagram
Explanation:
The communication diagram represents the change of values for an item by a system.
A communication diagram is an expansion of the diagram of objects showing the objects together with the texts traveling from one to another. Besides the connections between objects, the communication diagram demonstrates the messages that the objects send to one another.
The correct option is a) communication diagram
The flashing yellow light indicates that people should be aware of other cars and turn carefully. To be more safe, you should slightly slow down, make sure all signals that should be on are on, and you should drive very carefully.
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.