Question

What is the difference between Ridges and Trenches
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Answer 1

Answer:

Trench is a very deep, elongated cavity bordering a continent or an island arc; it forms when one tectonic plate slides beneath another. Ridge: underwater mountain range that crosses the oceans and is formed by rising magma in a zone where two plates are moving apart.

Answer 2

Answer:-

Trench: very deep, elongated cavity bordering a continent or an island arc; it forms when one tectonic plate slides beneath another.

Ridge: underwater mountain range that criss-crosses the oceans and is formed by rising magma in a zone where two plates are moving apart