The answer is Endemic Species
Endemic species refer to those that can only be found in a particular geographic location such as a specific island, habitat, or other pre identified zones. To be categorized as an endemiz species, that species must only be found in 1 specific location and nowhere else in the world
One of the example of endemic species is Comodo Dragon that can only be found in Comodo Island, Indonesia
There isn't exactly an opposite of weathering, although I would say that it is sedimentation/ deposition, since it builds up rock and dirt and such, rather than breaking it down.
Answer:
1 - D
2 - C
3 - A
4 - B
5 - E
I'm pretty sure those are the correct matching. Hope that helps! :)