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.
South asia can be divided into three basic kinds: tropical, dry, and temperate. the Northeast East from tropical to subtropical temperature moving West to moisture and the elevation change causing a steppe and a desert climate that is like the Middle East.
It was in europe with leaf erickson
Cooled quickly, because lava cools and crystallizes rapidly