Wind which is caused by uneven heating.
You would draw a table like the above ^
And you would input each x value (1,2,3,0,-1,-2,-3) into the equation one by one for the value of both x and y
I did the first one for you so you understand how to do it.
Oldest to youngest- D, A, E, B, C
It's called relative dating, you basically find the rocks that are at the very bottom (oldest), look for the ones that are on the top (younger), but if you find any that are cross cutting, those are the youngest of them all.
I wanna say D.
Sorry if I’m wrong:(
Usually determined by changes in the biota.