Question

2 Points
Why do only active margins have trenches?
O
A. Trenches are filled with basalt.
O
B. Trenches are caused by subduction.
O
C. Only passive margins have subduction.
O
D. Trenches are caused by erosion.

Answer 1

Answer:trenches are caused by subduction

Explanation:

Answer 2

Active margins have trenches because trenches are caused by subduction.

Why do active continental margins have deep sea trenches?

Active continental margins are typically narrow from coast to shelf break, with steep descents into trenches. Convergent active margins occur where oceanic plates meet continental plates.

What occurs in active margins?

Active margins are commonly the sites of tectonic activity: earthquakes, volcanoes, mountain building, and the formation of new igneous rock.

To learn more about active margins ,here

https://brainly.com/question/12258244?referrer=searchResults

#SPJ2