Answer:
__________________________________________
1) Colombia ; 2) Brazil .
__________________________________________
Airways, roadways, railways, and waterways.
It would be burning and digesting.
Melting is just causing a status change, solid to liquid.
Cutting is just changing the shape of something.
Rusting doesn't change the actual substance.
Boiling changes the state as well.
It's only burning and digesting.
The fix the machine invention