Here is a structure on how to answer:
1. Think of two examples: Maybe you think that developing countries does not have as much art - which does contribute to the happiness of the people.
Second, maybe the living conditions.
2. Research to add credibility.
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The answer is semiconductor. It is <span>a solid substance that has a conductivity between that of an insulator and that of most metals, either due to the addition of an impurity or because of temperature effects. Devices made of semiconductors, notably silicon, are essential components of most electronic circuits.</span>
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.
Where´s the poem? so I can try to help
Almost always
frequently
often
