Answer:
Not Practical and not Possible
Explanation:
Signals are used whenever voice communication is not practical and not possible.
Speech signals are transmitted using telephone channels. The voice signals are transferred using the telephone set to the local telephone exchange and then to the receiving party.
In electronics and telecommunications, the signal is described as any electromagnetic wave or current that transfers information.
<span>An omission in a text is correctly punctuated using a :
B. Dash.
Omission is made to purposely left out a point (usually due to moral or legal issues). In order to do so, writers usually create a blank space before the next word.
And to create a blank space, we need to use dash.</span>
A central idea of a text is the author's overall idea that is presented throughout the text that is thoroughly supported.
Answer:
a statement that disputes a claim