comparisons of modern seashells and fossil shells
One piece of evidence is the presence of ancient rocks found on continents that show evidence of having been formed in marine environments. Additionally, the chemical composition of Earth's oldest rocks suggests interaction with seawater, indicating the existence of oceans. Isotope ratios in certain minerals also provide clues about the early presence of oceans on Earth.
Scientists report finding strong genetic evidence supporting the theory that there are several species of killer whales in the world's oceans.
Antarctica
Mermaids are cryptids, or mythical. There has never been scientific evidence for the existence of mermaids, and there is a very real possibility that they do not exist at all. That could be the possible reason scientific methods have not been able to find mermaids in or on our oceans.
Because it indicates the tide of the oceans. Additional answer It not only indicates them, it's responsble for causing them.
hydrology
The area of Lemuria is not definitively known as it is a mythical lost land. Lemuria is said to have existed in the Indian and Pacific Oceans but there is no scientific evidence to support its existence. Therefore, no precise area can be determined for Lemuria.
Marine science.
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The biggest content in the world can vary depending on the context. In terms of digital content, the internet is vast and constantly growing. In the natural world, the oceans contain the largest content of water.
One scientific hypothesis suggests that Earth's oceans formed through the outgassing of water vapor from the planet's interior during volcanic activity. This water vapor eventually condensed and fell as rain, filling the low-lying areas on the Earth's surface and forming oceans.