Answer:
Subduction zones
Subduction zones occur when one or both of the tectonic plates are composed of oceanic crust. The denser plate is subducted underneath the less dense plate. The plate being forced under is eventually melted and destroyed
Human activities affect the operation of physical environment processes, and the results rebound on the human world. ... The physical environment provides resources and a platform to use those resources, but can also be a hazard to people. Therefore human impact as a subject is of special concern to physical geographers.
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Answer:
they needed an acurate calender to tell the date
Explanation:
Answer:
US Canada and Mexico
Explanation:
(NAFTA) is a treaty entered into by the United States, Canada, and Mexico; it went into effect on January 1, 1994.
