The answer is: [A]: troposphere .
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Answer:
Scientists observe an extremely long <u>ocean-ridges</u> area in a continental plate.
Explanation:
A)by providing water for irrigation and restoring trees to areas where forests once existed
More rarely, Ocean trenches can be formed when two plates carrying oceanic crust meet.The Mariana Trench,in the South Pacific Ocean,is formed as the mighty Pacific plate subducts beneath the smaller ,less dense Philippine plate.
Canada is bordered by Alaska.
