Ocean trenches are deep sections of the ocean where an oceanic plate is usually sinking below a continental plate. How are they formed? They are formed in the subduction zone as the denser oceanic plate is subjected under the continental plate.
Answer:Ocean trenches are driven by tectonics and are most commonly found along the Pacific Ocean in a zone known as the ring of fire. They are usually formed at the boundaries of convergent plates, at a region where a continental plate submerges beneath an oceanic plate.
Stabilizing a LEG, once it is broken, by using 2 boards extending from the upper thigh to the bottom of the foot is a proper way to help an injured victim in the field.
