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anonymous

  • one year ago

What is Elisha Otis best known for? A. He invented the first safe elevator. B. He designed Central Park in New York City. C. He was an architect who built the first skyscrapers. D. He devised an electrical system that used alternating current.

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  1. anonymous
    • one year ago
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    I think i now the answer but I'm not sure

  2. anonymous
    • one year ago
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    what answer are you thinking it is? @hope2563

  3. anonymous
    • one year ago
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    I think it's A

  4. anonymous
    • one year ago
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    I think it's A

  5. anonymous
    • one year ago
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    yeah it is A

  6. anonymous
    • one year ago
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    thanks

  7. anonymous
    • one year ago
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    @hope2563 can you help me on this question

  8. anonymous
    • one year ago
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    What is the difference between osmosis and diffusion? A. Diffusion uses energy, but osmosis does not. B. Osmosis is movement of proteins, and diffusion is movement of water. C. Osmosis is a kind of diffusion that involves movement of water. D. Diffusion only occurs in animal cells and osmosis only occurs in plant cells.

  9. anonymous
    • one year ago
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    @joseph2017

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