Answer:
Peru-Chile Trench
Explanation:
The boundary offshore is a subduction zone trench called Peru-Chile Trench. This trench was created where the Nazca Plate and the South American Plate collide and the Nazca Plate moved below the South American Plate.
true
Explanation: petroleum did cause a boom in the industry
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over 4.5billion years ago is the answer
Climates that vary
they would only change with the seasons, similar to those in the U.S.
wind and smoke from factories
