10 easiest and hardest courses to study in the university

Hardest courses Note:

The rating is in ascending order. In other Hardest courses/degrees Note:

10. Education

 9. Arts & Humanities

 8. Philosophy and Religion

7. Social/Behavioral Sciences: sociology, psychology, anthropology, etc.

 6. Physical Sciences: geology, physics, chemistry, mathematics, etc.

5. Business & Management

 4. Biological sciences: Biochemistry, Microbiology, etc.

3. Architecture

2. Medical Sciences: medicine, pharmacy, veterinary medicine, anatomy, etc.

1. Engineering: aeronautics, mechanical engineering, electrical engineering, etc.

 So, based on the ratings, engineering courses are the hardest to study! Which do you think is the hardest course?

I know that not everyone will agree with the ratings here. That is expected. If you do not agree with the ratings please write your own rating of hardest courses in the comment box.