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.
Answer:
true
Explanation:
for chilren with special needs,you should teach them the alphabet before anything else or else they wont understand it
How many athletes were sampled, that is the answer.