Because it gives off rays which can be called signals. Hope this helps
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Answer:
People consider unemployed people worthless.
Explanation:
According to McWhirter, people usually show different attitude towards unemployed people. He says that people of society consider unemployed people worthless and useless human beings who don't have the right to be respected by others in the society which is a bad perception because they are also humans and have a self-respect and in my opinion every human must be respected.
Answer: The correct answer is false
I hope that this helps you !