I think the one that can impact the climate of an area based on its geographical relief would be : B. Elevation
Mountain exist in a higher elevation lands and ocean exist on the lower elevation. The areas in higher elevation tend to have lower temperature compared to those in lower elevation
hope this helps
The North American Free Trade Agreement (NAFTA) is an agreement among the United States, Canada and Mexico
There are many ways to measure distance between Perth and Ireland.
First of all, you should know what kind of distance you want to measure: absolute or relative? this means wither it is in a straight line (which might not be suitable for actually doing it in terms of traveling), or relative, and you would be considering possible routes (boat, plane..).
Secondly, you must choose the point in Ireland.
You can use some online tools that help you with measuring distances. An example is:
https://www.freemaptools.com/how-far-is-it-between-Belfast_Northern-Ireland-and-Perth_Australia.htm
You can then change the cities.
Hope this helps.
Hope this helps you. but for this sort of stuff I suggest you look on the internet first