Answer:
c. pupil I think
Explanation:
Light enters the eye from the cornea then passes through the pupil onto the retina.
sewing machine : In some way the women working with the machines gained a new skill, and were seen as important for the industry. The sewing machine allowed clothing to become a mass produced item which increased the social acceptance of the sewing machine.
washing machine : they changed the lives of women because they didn't have to hand wash everything anymore it made things more convenient for them.
i hope this helped <3
