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netineya [11]
3 years ago
6

Explain how ocean ridges and trenches are formed.

Geography
2 answers:
White raven [17]3 years ago
6 0
They are mid-ocean ridges<span>, which </span>form<span> where two tectonic plates are spreading apart, which is called seafloor spreading. Tectonic plates are large pieces of the earth's crust, and they interact in a number of ways. Where they pull apart is called a divergent plate boundary.</span>
slavikrds [6]3 years ago
5 0
When the tectonic plates in the Earth move away from each other they create trenches, ocean ridges are also formed by the Earths tectonic plates.
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