141 questions and answers in this section

Natural Sciences » Oceanography

Explain why corals bleach in response to environmental stress?

Explain why corals bleach in response to environmental stress?

Zooxanthellae are symbiotic microalgae present in the tissues of corals. They play a crucial role in the coloring of corals, as they are responsible for...

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Explain why the phenomenon of tides is influenced by the Moon and the Sun?

Explain why the phenomenon of tides is influenced by the Moon and the Sun?

The gravitational interaction between the Earth, the Moon, and the Sun is the cause of tides. Gravitational force is the attractive interaction between two massive...

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Explain why do dolphins sometimes protect swimmers from marine predators?

Explain why do dolphins sometimes protect swimmers from marine predators?

Dolphins could protect swimmers from marine predators due to their complex social behavior. As social animals, dolphins have been observed helping and protecting other species, including humans,...

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Explain why corals are so colorful and vibrant.

Explain why corals are so colorful and vibrant.

Corals get their vibrant colors from pigments produced by zooxanthellae, microalgae living in symbiosis with them. These pigments, such as chlorophyll and carotenoids, are essential...

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Explain why is sea water salty?

Explain why is sea water salty?

Seawater is salty due to the presence of various salts dissolved in its composition. These salts mainly come from the erosion process of continental rocks. When rain...

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Explain why do giant waves suddenly form in the open sea?

Explain why do giant waves suddenly form in the open sea?

Weather disturbances such as storms, cyclones, and hurricanes can generate giant waves in the open sea. These intense atmospheric phenomena cause strong winds to blow...

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Explain why the color of the sea changes.

Explain why the color of the sea changes.

When sunlight reaches the surface of the sea water, it is refracted due to the difference in density between air and water. This optical phenomenon...

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Explain why do some beaches change color depending on the tide?

Explain why do some beaches change color depending on the tide?

When the tide rises and covers a beach, the water brings with it sediments, minerals, and microorganisms. These elements can alter the color of the...

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Explain why do jellyfish have a paralyzing effect on swimmers?

Explain why do jellyfish have a paralyzing effect on swimmers?

Jellyfish have stinging cells called cnidocytes, which are found on their tentacles. These cnidocytes contain tiny harpoons called cnidocysts, which are filled with venom. When...

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Explain why coral reefs can help protect coastlines from storms.

Explain why coral reefs can help protect coastlines from storms.

Coral reefs can help reduce wave energy thanks to their complex and rough structure. When waves break on the reefs, some of their energy is...

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