Which best describes how ocean ridges form? a. decaying materials filter from above, creating ridges. b. corals grow on a submerged rim, forming circular ridges above the water. c. the flat action of the water shears off the top of a seamount, creating a ridge. d. pressure from lava being pushed up from the earth adds new material to the ocean floor, creating a ridge.

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.

the generally accepted parts of modern cell theory include: all known living things are made up of one or more cells. all living cells arise from pre-existing cells by division. the cell is the fundamental unit of structure and function in all living organisms.

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