Answer:
plate tectonics which collide every time a earthquake occurs
Explanation:
From plants because they give off oxygen so EVERYWHERE
The two most obvious ones are on the far right, and near the far left. Oceanic lithosphere is descending into the earth's mantle at these places, and being destroyed. ... At convergent boundaries oceanic lithosphere is always destroyed by descending into a subduction zone
The answer would be b) push factors