Close to major tectonic plate boundaries
They are different because of there population or because of there environment but they are also the same because they both are strongly reliant on agriculture for there exports and income!! Hope that helped:))
It can be one of two things.
First, it can be due to global warming.
Second, it can be due to the rotation of the sun. When the sun rotates, it can change it latitude causing it to hit at different points onto different areas of the world.
Each system is unique, yet each interacts with the others.
Answer:
Fishing I write the answer