The border separates Sonora and Chihuahua is Natural boundary
There are a lot of volcanoes,mostly along the pacific ring of fire,mt Fuji in Japan,for example
https://www.reference.com/science/volcanoes-located-along-convergent-plate-boundaries-902a6027f2e299f1#
the link has got more example,you might want to check it out
hope it helps c:
Answer:
C - Countries are increasingly independent for food supplies.
Explanation:
which language r u ask in??