<span>D. It was an ecological transformation.</span>
Columbian Exchange was the introduction of Old World plants and animals into the New World and the other way. An example of this was the introduction of tomatoes and potatoes to Europe.
2 i believe I am not 100% sure
Roman architecture<span> focused on creating inside spaces. Greek </span>architecture<span> in </span>Constantinople<span> was more focused on the outside.</span>
