Social Sciences, asked by biswasagnesh, 6 months ago

2. Willis Haviland an American engineer best known for
inventing the first electrical air conditioning unit in
1902-

3. The first person on whom the first medical X-Ray was
conducted-

please help me friends.

Answers

Answered by roy49561

1

3 thomas alva edison make led and medical x ray

Answered by EshithaTaniK

0

Answer:

hey hi

I think you believe in christ

I am a Christian too I go church every Sunday

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