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.
I believe it's around the Pacific Ocean.
True.
Subsistence agriculture is basically a farming system where a farmer works to provide food for their family. It’s a family farm. Most tasks are done by hand.
I hope this helped
Deserts? I mean i don't know the choices.