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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
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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

User Luaan
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5.2k points

1 Answer

3 votes

Answer:

3. True 4.True 5.False

Step-by-step explanation:

User Benjamin Morrison
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