Please answer this :( Explain your reason for the least important and most important contribution. (Short 2 to 3 sentences)

Explanation:

1. Science and technology 2. Medicine 3. Bookmaking and literature 4. Scholarship and learning 5. Mathematics 6. City building and architecture 7. Geography and navigation 8. Art and music 9. Recreation

I did it backward sorry so I put greatest to least

You need to learn and have technology to understand how to make medicine because that is how we help keep the population alive. Learning helps us have good jobs. Art, music, and recreation are for just ourselves and can be done anytime, you need your education first to succeed in life.

I really hope this helps

the answer is a) high entry costs