Your answer is: (2) Peru Current
I hope this helps you :)
Uplift and subduction can expose rock formations to different energy sources, which can transform them.
Answer:
The answer is 2. Sorry for the late response. hope this helps anyone else
Explanation:
Just look up 2 mega cities (question)
So like New York City location
New York City brief history
New York City population density
Hope this helps.