Which of these is not true about the cotton gin?
a-it revolutionized the production of cotton
b-it allowed farmers to decrease the number of employees necessary to produce cotton while increasing production speed
c-it was invented by henry cort
d-it combined a grooved spinning wheel with a roller that pressed the seeds out of the cotton

b-it allowed farmers to decrease the number of employees necessary to produce cotton while increasing production speed

Explanation:

The invention of the cotton gin had the opposite impact, with the cotton gin it was possible to produce more cotton. During that period, the US sold 75% of the cotton of the world and more workers were needed to produce more and more. Because of that, the cotton gin was responsible for the expansion of slavery in the Southern States of the US.

1.   île de la cité

2. 200 years

3. for the nave and choir

hope im right, havent learned about this in a year