True. The volcanic lowlands were the source of obsidian, jade, and hermatite that the Mayans used to develop a lively trade.
The texture of sedimentary rocks, like the size of grains or chemical precipitates can show how the rock was formed. The fossils of sedimentary rocks can show when the rock was formed. The stratification and sorting of the particles can show were the rock was formed.
Answer:
I believe it's C.
Explanation:
The mantle underneath the plates moves in a circular way (Convection Currents). That is why plates move.