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Oceanography

Oceanography, also called marine science, is the study of oceans. It includes the study of physical oceanography, marine chemistry, marine geology, and marine biology. Areas covered in oceanography are the shape, depth, and distribution of oceans, and also their composition, life forms, ecology, and water currents, as well as their legal status. If you would like to know more or share your knowledge about oceanography, ask and answer questions here! Includes questions related to the study of Earth's oceans and seas.

1,839 Questions

What percent of the ocean consists of dissolved salts?

Approximately 3.5% of the ocean consists of dissolved salts, mostly sodium and chloride ions. This gives the ocean its characteristic salinity.

What does ocean symbolize?

The ocean is often seen as a symbol of vastness, mystery, and depth. It can represent emotions, the unconscious mind, and the unknown aspects of life. Additionally, the ocean is associated with adaptability, fluidity, and the cycle of life.

Make words out of gnetsra?

Words that can be made out of "gnetsra" include "gants," "stern," "gears," and "anger."

Is a glacier living?

No, a glacier is not living. It is a mass of ice formed by snow accumulation over a long period of time. Glaciers move slowly due to the force of gravity and changes in temperature, but they do not exhibit characteristics of living organisms like growth, reproduction, or metabolism.

What are some names of bodies of salt water?

Some names of bodies of salt water include oceans (e.g. Pacific Ocean, Atlantic Ocean), seas (e.g. Mediterranean Sea, Caribbean Sea), gulfs (e.g. Gulf of Mexico, Gulf of Oman), and bays (e.g. San Francisco Bay, Hudson Bay).

Where does spreading center volcanism occur?

Spreading center volcanism occurs along mid-ocean ridges where tectonic plates are moving apart. The process involves the upwelling of hot magma from the mantle, which creates new oceanic crust as it solidifies upon cooling. This type of volcanism is an important mechanism for plate tectonics and plays a key role in shaping the Earth's lithosphere.

What is the primary force that causes the sea floor to spread and continents to drift 17 letters long?

The primary force that causes the sea floor to spread and continents to drift is called "plate tectonics." This geological process involves the movement of the Earth's lithosphere (made up of tectonic plates) on the semi-fluid asthenosphere below, driven by convection currents in the mantle.

Do the oceans contain enough salt to cover all of the continents with a layer of fifty feet thick?

No, the oceans do not contain enough salt to cover all of the continents with a layer 50 feet thick. The average salt content in the oceans is about 3.5%, and there is not enough salt to form a layer that thick on the continents.

How many main oceans are there?

there are 5 major oceans: Arctic, Pacific, Atlantic, Indian, and Southern

What is the relationship between the number of times the mouth opens and closes and the number of times the gill covers move?

In most fish species, the number of times the mouth opens and closes is unrelated to the number of times the gill covers move. The two movements serve different functions: the mouth is used for feeding and respiration, while the gill covers are specifically involved in respiration. These movements are controlled by different mechanisms in the fish.

If salinity increased at the poles the water near the poles would?

If salinity increased at the poles, the water near the poles would become denser. This increased density could impact ocean circulation patterns and potentially affect marine life that depend on specific salinity levels. Additionally, it could lead to changes in ice formations and melting rates in polar regions.

Why is water important to understand while studying oceanography?

Oceanography is important because the ocean is an important part of the eco-system. It is important to learn about the animals in the ocean. It is also important to track changes in the ocean since these changes can impact the entire Earth.

What percent of the earth is ocean?

70.8% is ocean

29.2% is land

(A common "rule of thumb" for this question is to answer with 7/10ths)

The oceans cover 140 million square miles of the earth's surface.
70% of the earth is covered by oceans.

What are the flowers of the sea?

There are no flowers under the sea, because flowering plants use pollination to reproduce (which means the sperm travels through air, not water).

You may be thinking of some animals that look like plants. Popular examples include Cnidarians (for example, the sea anemone and coral polyps) or Bryozoans (called 'moss animals' because they look like little plants).

When can you see rainbow?

You can see a rainbow when sunlight is refracted, reflected, and dispersed through water droplets in the air, such as after a rain shower or near a waterfall. The most common time to see a rainbow is when the sun is low in the sky, at around a 42-degree angle from your eyes.

What determines tide height?

In the United States, the Center for Operational Oceanographic Products and Services, or CO-OPS, (a branch of the National Ocean Survey), is the official source of predictions for approximately 3,000 locations around the country. CO-OPS also makes predictions for other countries and territories.

What is the cicdas habitat?

The habitat for the cicadas includes large woody bushes and trees with soil that is well drained. They live in climates that are temperate to tropical with warm summers and are found all over the world.

What characteristics does NOT describe the Mid-Ocean RidgeAverages 4500m above sea floor It is seen crossing the western edge of the North and South American continentsIt is over?

Not knowing what the following characteristics are will cause someone to not know which does not describe the averages. A person will need to see what the characteristics are to know the correct answer.

Why do people pollute the water?

Because it is more cheaper. People don't want pay garbage companies. Some people are just lazy or don't care.

First of all I think we shouldn't pollute water because it contains bacteria, and we drink it. Over 71% of earth surface is covered with water bodies and other chemicals that humans tip in the drain.
Most people pollute because they don't want to pay for someone to pick up the garbage and dispose of it properly. Some people just don't care what happens to it or where it goes as long as they don't have to carry it around with them any longer.

Large bodies of salt water are called what?

Large bodies of salt water are called seas or oceans.

What is a submerged sandbank of pebbles etc visible at low tide?

That would be a sandbar or a shoal. Sandbars are elongated ridges of sand, while shoals are shallow areas with a sandy or pebbly bottom that may be visible at low tide.

What are the rivers connected with the oceans?

Some rivers connected with oceans include the Amazon River in South America, the Nile River in Africa, the Mississippi River in North America, and the Ganges River in Asia. These rivers flow into the Atlantic, Pacific, and Indian Oceans.

How big are whirlpools?

The size is directly proportionate to the size of the involved tidal formations. For example, which accident can produce the largest aftermath? Two motorcycles colliding? Two cars colliding? Two 18 wheelers colliding? Possibly two freight trains colliding? Get the picture? Water is fluid, therefore it moves around obstacles. When two tidal currents engage one another, they move around each other, and since water has no corners, this fluid "dance" continues until it's inertia, (kinetic energy), runs out. The centrifugal force generated by the swirling tidal formations creates the tell tale hole in the surface of the water.

How does ocean water become less dense?

Ocean water becomes less dense when it becomes warmer, which causes the water molecules to spread out and take up more space. This decrease in density can also occur when freshwater is introduced into the ocean, as it is less dense than saltwater. Mixing of different water masses with differing densities can also contribute to the overall decrease in ocean water density.