Explanation:
Himalayas, the Ural Mountains, the Karakorams, and the Hindu Kush Mountains.
Outer core.
The densest layer is the inner core but it is not given as an option. The outer core is closet to the inner core, therefore it is the correct option.
Convergent plates.
Hope this helped, have a great day! :D
I think you can identify it by pulling a line from the north pole and see which cities are crossed with one another
From the map above,
One example would be New york City and Buffalo
hope this holps