Read and answer. Inventor: Nathaniel BaldwinInvention: headphonesYear: 1910Made of:...

Question

Read and answer. Inventor: Nathaniel BaldwinInvention: headphonesYear: 1910Made of: plasticUsed for: listening to music0 Who invented headphones?Nathaniel Baldwin invented headphones.1 When did he invent them?2 What are they made of?3 What are they used for?помогите дам 20 баллов​

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Answer 1

Ответ:

1.)in 1919

2.)plastic

3.) listening to music