Forces that shape sandy beaches
By: Jose Juan Gutierrez
A sandy beach is a zone along the ocean shore that is composed of eroded tiny particles of rock, such as sand, pebbles, and cobblestone, as well as the remainders of mollusks, shells, corals, and skeletons of plankton. A beach often separates a body of...
The anatomy of a water molecule
By: Jose Juan Gutierrez
Water (H2O) is the most abundant molecule on Earth. Water covers approximately 70% of the Earth´s surface. The oceans contain about 96.5% of all water on the planet and 3.4% is found in lakes, rivers and ice glaciers; the remaining 0.001%...
Overview of globigerina ooze
By: Jose Juan Gutierrez
Globigerina ooze is the most common type of calcareous sediment from planktonic origin found at the bottom of the ocean. Foraminifera are single-celled zooplankton organisms, whose tests (shells) comprise a large portion of the calcareous biogenic ooze (globigerina ooze) found in the sea bottom. Many...
By: Jose Juan Gutierrez
Coral reefs are very large marine structures made of calcium carbonate (CaCO3) secreted by tiny animals known as stony corals and other marine animals inhabiting the reef. A coral head consists of thousands of genetically identical tiny animals known as polyps, which secrete calcium carbonate...
Adaptations of intertidal organisms
By: Jose Juan Gutierrez
The intertidal zone is the area on a beach situated between the high tide and the low tide. This zone often includes more than one habitat, including wetlands and rocky cliffs. The intertidal zone provides habitat to a variety of animal species, such as mollusks...
By: Blaise Pascal
Rivers are one of the many features present on the landscape of the planet. They are used for a variety of means, such as for water, transportation, sources of food; but for the most part what goes on beneath the surface of the water remains...
By: Imonikhe Ahimie
If the term sea is used, as it commonly is, to describe that great mass of salt water which covers some three quarters of the Earth's surface, then the Dead Sea is no sea at all, for at no point does it connect to that...
How do coral reefs form?
By: Imonikhe Ahimie
Coral reefs, the largest known structures of biological origin on Earth, are also amongst the most beautiful natural structures that exist on the planet as well as being, possibly, the most diverse and valuable ecosystems that exist anywhere on Earth. Commonly compared with the rain...
By: Brenda Speegle
Tales abound about lake water turning blood red and rivers flowing with blood instead of water. Reports of blood red lakes were children's Bible stories until people of modern times began witnessing the phenomenon around the world. Are blood red waters a sign the end...
By: Karen Parker - 704366
Oceanographic waves are disturbances propagating on or through water that do not move the water itself. Most waves are caused by wind blowing over the water’s surface. Swells are waves that occur in the absence of strong winds and are capable of traveling great...

 

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