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History, 30.10.2020 23:50 acebeann

3. Cotton gins were used to remove seeds from cotton fibers. 4. Interchangeable parts were developed by Eli Whitney.
5. In the 19th century, steam engines were mainly used to
remove pollutants from the air.
True or False

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3. Cotton gins were used to remove seeds from cotton fibers. 4. Interchangeable parts were develope...
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