141 questions and answers in this section

Natural Sciences » Oceanography

Explain why marine algae are an important source of oxygen in the ocean?

Explain why marine algae are an important source of oxygen in the ocean?

Marine algae function exactly like land plants: they use solar energy to transform carbon dioxide (CO₂) into oxygen and nutrients. In the ocean, most of...

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Explain why water appears calm on the surface of a lake, even in windy weather.

Explain why water appears calm on the surface of a lake, even in windy weather.

When a lake receives wind, at first glance it should easily create small waves. But the surface of the water has a sort of soft...

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Explain why oceanic abysses remain largely unexplored?

Explain why oceanic abysses remain largely unexplored?

The oceanic abysses, located at extreme depths of up to more than 10,000 meters, are subjected to extremely high pressures. At such depths, the water...

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Explain why carbon dioxide is responsible for ocean acidification.

Explain why carbon dioxide is responsible for ocean acidification.

The increase in carbon dioxide in the atmosphere is the primary reason why the oceans are becoming more acidic. This phenomenon is mainly due to...

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Explain why vortices form in rivers and oceans?

Explain why vortices form in rivers and oceans?

A water vortex is a mass of water that spins rapidly around a central axis in a downward spiral, somewhat like when you pull the...

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Explain why is plankton so important for the ocean?

Explain why is plankton so important for the ocean?

Plankton is essentially the basic food source for a huge part of marine life. Just imagine: it all starts with these tiny plant organisms, phytoplankton. They capture...

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Explain why the ocean can be so calm one day and so rough the next day?

Explain why the ocean can be so calm one day and so rough the next day?

The weather plays an essential role in ocean behavior. When the wind blows strong, it pushes the water and creates higher and more powerful waves. Conversely, when...

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Explain why waves appear to move in groups?

Explain why waves appear to move in groups?

When the wind blows across the surface of the sea, it creates friction that generates small ripples. These ripples gradually grow by absorbing the energy...

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Explain why sharks do not have vertebrae?

Explain why sharks do not have vertebrae?

Sharks have a cartilaginous skeleton, composed of cartilage rather than bone. This cartilage is lighter than bone, allowing sharks to be more agile and efficient...

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Explain why certain species of luminescent fish exist in deep waters?

Explain why certain species of luminescent fish exist in deep waters?

At great depths, the pressure can reach several hundred times that at the surface, an extreme situation for living organisms. To survive, luminescent fish possess...

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