By: Jose Juan Gutierrez
Depth sounding is the word used to refer to the task of measuring the depth of a body of water. The sounding of a body of water was initially done by using sounding sticks or weighted sounding lines of rope with spaced marks along it...
By: Retha Boswell
Pegmatites are igneous rocks containing extremely large crystals, formed in the final stage of magma's crystallization. To be officially classified as pegmatite, a rock must be almost completely composed of crystals that are at least one centimeter in diameter. Pegmatite deposits sometimes also contain rare...
What is an abyssal zone biome?
By: Jose Juan Gutierrez
The abyssal zone is a very flat surface found from 4,000-6,000 meters (13,123- 19,685) in the deep basins of the ocean floor. The abyssal zone is unable to receive the Sun’s rays; therefore it remains in complete darkness. The abyssal...
By: Virginia Gaces
The depth of the ocean floor is no longer undetermined as oceanographers found a way to measure this previously immeasurable depth. In the old days, the depth was measured using a piece of rope, which was marked off at 6-foot intervals. This was cumbersome and...
A simple explanation of the food chain
By: Jose Juan Gutierrez
A food chain is a one way sequence of energy transformations in a food web. The length of a food chain is determined by the amount of species involved starting from the producers and ending with the last consumer. The energy that is passed along...
By: Menaka Ratnayake
Rainfall can be very unpredictable in certain parts of the world where flooding and extreme droughts can take place at different times of the year or concurrently, in different geographical locations, within the same country. Some geographical locations are more prone to droughts than to...
An explanation of trophic levels and the food chain
By: Jose Juan Gutierrez
The trophic level is the position, in a food chain, in which an organism is positioned. The term trophic derives from the Greek word “trophe” and refers to nourishment. In a food chain, a trophic level is illustrated by a number of organisms, where...
By: Hai Shunxi
In the early 20th century, geologist N. L. Bowen and his co-workers first proposed a theory that has since come to be known as "Bowen's reaction series." This theory, which explains the order in which minerals in igneous rocks crystallize from magma as it...
By: Julie Thomas-Zucker
Seaweed provides food, protection and shelter to other marine creatures. It also cleans the sea by hosting many of the planktons and diatoms harming the environment. It prevents erosion of the cliffs. Seaweed is a part of the whole photosynthesis cycle. It is plant-like but...
By: Dr Pandula Siribaddana
Oceanographic vessels play a key role in the modern day oceanic research and it can be recognized as the most important tool that determined the evolution of oceanic research in the last decade. These vessels consist of state of the art equipment and are designed...

 

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