141 questions and answers in this section

Natural Sciences » Oceanography

Explain why moonlight rays can sometimes cause phosphorescence in water?

Explain why moonlight rays can sometimes cause phosphorescence in water?

Phosphorescence is a luminous phenomenon emitted by certain marine organisms, such as certain algae and many planktonic organisms. This light is produced by complex biochemical...

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Explain why some beaches are entirely made up of seashells?

Explain why some beaches are entirely made up of seashells?

Shells accumulate on certain beaches due to various geological, biological, and environmental factors. These shells mainly come from the shells of marine animals such as...

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Explain why it is important to respect ocean currents when navigating?

Explain why it is important to respect ocean currents when navigating?

Ocean currents are large-scale movements of water on the surface of the oceans and seas. They are mainly caused by winds, temperature differences, and gravitational...

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Explain why swimming pools are filled with salt water in some countries?

Explain why swimming pools are filled with salt water in some countries?

The use of saltwater in pools offers the possibility of significantly reducing maintenance costs. Indeed, salt acts as a natural disinfectant, eliminating the need to...

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Explain why some species of fish migrate to warmer waters in winter.

Explain why some species of fish migrate to warmer waters in winter.

The migration of fish is a phenomenon observed in many species, and several reasons explain this behavior. One of the main motivations is the search...

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Explain why is sea water dense?

Explain why is sea water dense?

Sea water is a complex solution mainly composed of salt dissolved in water. On average, sea water has a salinity of about 35 grams of...

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Explain why tropical lagoons have such clear turquoise waters?

Explain why tropical lagoons have such clear turquoise waters?

The turquoise color of the waters of tropical lagoons is due to the presence of specific pigments in the aquatic environment. These pigments, such as...

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Explain why do giant waves form off certain coasts?

Explain why do giant waves form off certain coasts?

Giant waves often have their origins in the geological potential of certain coastal regions. This potential depends on the structure and configuration of the seabed, as well...

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Explain why are the oceans more acidic today than they were 100 years ago?

Explain why are the oceans more acidic today than they were 100 years ago?

Air pollution is a major source of ocean acidification. The main substances responsible for this pollution are sulfur and nitrogen oxides emitted during the combustion...

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Explain why do jellyfish gather in sometimes massive swarms?

Explain why do jellyfish gather in sometimes massive swarms?

Jellyfish can proliferate rapidly due to their ability to reproduce in large quantities. This proliferation is favored by certain environmental conditions such as water temperature, prey availability,...

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