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...

Read full answer

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?

Gravitational force is simply the attraction experienced by two objects that have a mass. The greater the mass of an object, the stronger its attraction. Conversely, the...

Read full answer

Explain why do dolphins sometimes protect swimmers from marine predators?

Explain why do dolphins sometimes protect swimmers from marine predators?

Dolphins are known for their very social nature and their natural curiosity towards other species, including humans. Behaviorally, they often show empathy and possess a...

Read full answer

Explain why corals are so colorful and vibrant.

Explain why corals are so colorful and vibrant.

The bright color of corals mainly comes from tiny algae called zooxanthellae. These microscopic algae live within the tissues of corals and produce different pigments...

Read full answer

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...

Read full answer

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...

Read full answer

Explain why the color of the sea changes.

Explain why the color of the sea changes.

The color of the sea mainly depends on how light interacts with water. When a light ray hits the surface of the water, certain colors...

Read full answer

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

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

The tide alters the visual aspect of the beaches by revealing or covering different sand areas. At high tide, the water covers the beach, making...

Read full answer

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...

Read full answer

Explain why coral reefs can help protect coastlines from storms.

Explain why coral reefs can help protect coastlines from storms.

Coral reefs serve as natural barriers: when a wave passes over them, it loses a large part of its energy before reaching the shore. The...

Read full answer

May 9, 2025 : We have reached 240M+ (millions) GIFs viewed on Giphy (check here!). Use our GIFs on WhatsApp or elsewhere. We are gradually offering them on Tenor. This may take a little time.