4 is like how clean or dirty it is
10 is what is your Language and whats the population
I think the answer is cognitive processes
I hope this helps you
An executive and judicial branch
Edit, since i answered in the wrong format.
Least favourite to most favourite.
1. Niall Horan (least favourite)
2. Louis Tomlinson
3. Zayn Malik
4. Harry Styles
5. Liam Payne (most favourite)