Question

"Each part of ocean floor differs from each other and have different names"
~COMMENT ON IT~​

Answer 1

$\textbf{\underline{\underline{ANSWER:-}}}$

✒️THE OCEAN BASINS ARE IN MANY WAYS SIMILAR TO THE LAND SURFACE. THERE ARE SUBMARINE RIDGES , PLATEAUS , CANYONS AND TERRACES FOUND WITHIN THE OCEANS . OCEAN FLOOR IS DIVIDED INTO 4 PARTS

1. $\textsf{\underline{\underline{CONTINENTAL\: SHELF:-}}}$

✒️The continental shelf with the depth upto 200 mts occupies upto 7.6% of the ocean area . It is the border zone between land and the sea.

2.$\textsf{\underline{\underline{CONTINENTAL\: SLOPE}}}$

✒️The continental slope is spread from 200 mts to 3000mts in depth. It occupies 15% of ocean area. This region is formed by erosion process of glaciers and rivers.

3.$\textsf{\underline{\underline{ABYSSAL\:PLAIN}}}$

✒️Abyssal plain are gently sloping areas of ocean basins . These are flat and smooth in nature. Depth varies from 3000mts to 6000mts.It covers 76.2% of the ocean basin.

4.$\textsf{\underline{\underline{TRENCHES:-}}}$

✒️These are large and narrow. These are found near the continents and located in the midst of oceans.

✒️SO THEREFORE, WE CAN SAY THAT ALL THE PARTS OF OCEANS ARE DIFFERENT AND THEY HAVE DIFFERENT NAMES.

Answer 2

Most of the oceans have a common structure, created by common physical phenomena, mainly from tectonic movement, and sediment from various sources. The structure of the oceans, starting with the continents, begins usually with a continental shelf, continues to the continental slope – which is a steep descent into the ocean, until reaching the abyssal plain – a topographic plain, the beginning of the seabed, and its main area. The border between the continental slope and the abyssal plain usually has a more gradual descent, and is called the continental rise, which is caused by sediment cascading down the continental slope.

The mid-ocean ridge, as its name implies, is a mountainous rise through the middle of all the oceans, between the continents. Typically a rift runs along the edge of this ridge. Along tectonic plate edges there are typically oceanic trenches – deep valleys, created by the mantle circulation movement from the mid-ocean mountain ridge to the oceanic trench.

Hotspot volcanic island ridges are created by volcanic activity, erupting periodically, as the tectonic plates pass over a hotspot. In areas with volcanic activity and in the oceanic trenches there are hydrothermal vents – releasing high pressure and extremely hot water and chemicals into the typically freezing water around it.

Deep ocean water is divided into layers or zones, each with typical features of salinity, pressure, temperature and marine life, according to their depth. Lying along the top of the abyssal plain is the abyssal zone, whose lower boundary lies at about 6,000 m (20,000 ft). The hadal zone – which includes the oceanic trenches, lies between 6,000–11,000 metres (20,000–36,000 ft) and is the deepest oceanic zone.