As subduction occurs, the oceanic crust moves from the toward a
the answer options for both sides are
mid-ocean ridge
seafloor spreading
deep-ocean trench

Mid Oceanic Ridge (MOR) to Deep-Oceanic trench

Explanation: As the plate tectonic theory is a continuous process, so at some places, divergent plate movement takes place whereas at other places, convergent plate movement takes place. So from that context we can conclude that

1. desertification

2. captive breeding

3. black rhinoceros

4. renewable resources

explanation:

mark brainliest!

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