The cotton gin removes the from cotton.

fiber

flowers

seeds

stems

C. Seeds

Explanation:

The cotton gin was designed to remove the seeds from cotton so it was easier and more effective than picking it by hand. This did increase the amount of slaves though, as plantation owners realized how easy the cotton gin was to use, which resulted in mass more amounts of cotton being grown.

seeds

Explanation:

It use to take an entire day to remove seeds from one pound of cotton