Answer: D. Pressure from lava being pushed up from the Earth adds new material to the ocean floor, creating a ridge.
Explanation:
An oceanic ridge is a mountain range found underwater that is formed by the plate tectonics. Thus results due to the convection currents that involve the rise in the mantle beneath the oceanic crust. The magma deposit at the place where the two plates diverge that is a divergent boundary.
Energy decreases as it moves up trophic levels because energy is lost as metabolic heat when the organisms from one trophic level are consumed by organisms from the next level.
Sacroiliac. slightly movable articulation between the sacrum and posterior portion of the ilium. ischium. forms the lower posterior portion of the pubic bone, bears the weight of the body when sitting.