Which dimension of health relates to your ability to think and learn from experiences, your ability to assess and question new information, and your openness to new learning?

Intellectual Health/Wellness or Mental Health is related to thinking and learning. Intellectual wellness encourages us to engage in creative and mentally-stimulating activities. These activities help you increase your knowledge and share it with others. Intellectual wellness can be developed through academics, cultural-community involvement, and hobbies. 

Both the han and the roman empire decline as a result of social unrest during their collapse.

Clean air provides nitrogen