the answer is c-social and economic oppression of their heirs
A. How did natural gas effect ozone layer in 1975?
Answer:
Having solid, outstanding, and excellent education is very important. However, having this without actual practice and appropriate it becomes useful. So, if you are knowledgeable and astute person but you fail to display by being humble, gentle, and simple this your solid knowledge couldn't help you to establish the foundation of your knowledge and expertise.
Explanation: