Answer:Hope this Helps!
Explanation:
The invention of the cotton gin was a revolution in the cotton industry. Due to the manner in which this sector was exploited in the US, it led to a large increase in slavery in the Southern states, in order to meet the constantly growing demand for cotton using a larger workforce.
it can be clay or marl both are answers
hope it helps
C is the correct answer.
Many of Europe's most famous Universities started as Church schools. Monasteries were the centers of learning in the Middle Ages and the repositories of books and knowledges. Monks worked to copy books before printing presses and young scholars learned theology.
It only appeared to be so. The roaring twenties was soon followed by the Great Depression, I believe, and lots of people suffered during that time.
A physical change chamges the substances apperance, but a chemical changes the chemical formula of a substance. Hope this helps!