surface of the ocean
Surface?
0 mm. When you watch the tide go out and see rocks emerge, the ocean bottom is now at the ocean surface.
the ocean-bottom
Surface
The opposite of bottom would be the top, so the oceans surface is the opposite of the ocean floor/bottom.
surface
The antonym is bottom.
yes
The amount of sunlight increases
Upwelling is the ocean process that brings vital nutrients from the bottom to the surface waters. It occurs when cold, nutrient-rich waters from the deep ocean rise to the surface, fueling the growth of phytoplankton and supporting a vibrant marine ecosystem.
circulates from the bottom to the top