16. Which of the following will form if two oceanic plates collide in their boundary? a, oceanic ridge
c. oceanic trench
b. mountain ranges
d. volcanoes
17. These are areas of the Earth where plumes of magma rise from the outer core and seeps through the crust resulting to volcanic eruption. What do you call these areas?
a. crustal plates
c. hot spots
b. plate boundaries
d. tectonic plates
12. The pieces that make up the Earth's surface.
a. jigsaw puzzle
b. plate boundary
c. pattern
d. tectonic plates
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Answer:
16. a or d
17. c
12. b or d
Explanation:
i don't know the answer for 16 and 12