C. -1,0. I hope I helped!
It states that rocks closer to the top are newest.
California, Hawaii, Oregon, Washington and Alaska all border the mountain region and are located in the Pacific.
When scientists use the law of superposition to determine the age of a fossil, they go by the principle of 'every undisturbed layer of rock is older than the layer above it. This is not the most precise way of determining age, and in fact this method can only reveal the approximate age, but not the exact one.
