asked 73.8k views
1 vote
An ocean trench:

a. marks the upwelling of mantle material
b. is the site of submarine volcanoes
c. occurs where a plate is moving down
d. started the breakup of the single southern continent

2 Answers

6 votes

Answer:

c

Step-by-step explanation:

hope it helps

answered
User Andrew Cottrell
by
8.1k points
6 votes
it ocures when it pushes it down so it will be c
answered
User Ricardo Sgobbe
by
7.8k points
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