I believe T, hope this helps!
Answer:
it is metamorphism i think im in that chapter in science so i thin k thats rihht
Answer:
Countries trade with each other when, on their own, they do not have the resources, or capacity to satisfy their own needs and wants. By developing and exploiting their domestic scarce resources, countries can produce a surplus, and trade this for the resources they need.
Sedimentary, like sand.
Weathering and erosion make large rocks smaller.