Sea floor spreading is a process originating the mid-ocean ridges that results from volcanic activity. This volcanic activity piles on new rock expanding the crust. the debris begins to the spread further from the ridge as the activity continues.
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Answer:
Most of Central America is made up of either mountainous or coastal lowland regions
The correct answer is B. Medium. This is because to travel through the ear, the sound wave must go through the ear drum.
Answer:
It helps promote the conservation of land by bringing in tourism (which helps the economy)