By: Samuel Mgbechi
Ice is the solid formed by water when it freezes. It is colorless, and has hexagonal crystals. The temperature of its freezing point is usually 00c. There are at least 6 different modification of ice and most of them exist under high pressure. The forms...
By: Tim Harry
The Amazon River is one of nature’s wonders; the world's second longest river in terms of length, the greatest though in terms of volume and a river that is vital to the global ecosystem. Some of the facts associated with the great river are...
By: Dr Pandula Siribaddana
Coral reefs have formed a valuable link in the costal ecosystem and Caribbean coral reefs have been long considered one of the major such ecosystems in the world. However, according to a recently concluded study, scientists have uncovered the gradual extinction of these valuable coral...
By: Dr Pandula Siribaddana
According to the United Nations, the declining water quality has become a global issue, which affects human health in a significant manner. Among the factors which contribute to a decline in the water quality include the population growth, expansion of industrial and agricultural activities as...
By: Trenna Sue Hiler
In the United States the national standards of water quality are determined by the Environmental Protection Agency (EPA). Total water quality is determined by examining and assessing three classes of attributes. These are chemical, biological and physical.ChemicalChemical attributes of water can affect aesthetic qualities...
By: Jose Juan Gutierrez
Life on Earth is completely dependent upon oceans. All changes that occur in the oceans influence the geologic ecosystems on continental land, affecting the atmosphere and climate. Much of life on Earth is contained within the oceans. The oceans act as natural deposits of residues...
By: Jon Barr
Submarine mountains form in a couple of main ways. They happen to be the same principles that guide the formation of continent based mountains as well. tectonic plate movement and a combination of the two are the reasons mountains form under the seas. Tectonic drift...
Why spring tides happen during the new and full moon
By: Jose Juan Gutierrez
Tides are the effects produced by the rise and fall of sea levels. Spring tides most often occur when the Sun, Moon and Earth are aligned. The combined gravitational forces that these bodies exert upon Earth produce the highest tides known as spring tides. Coastal...
Why spring tides happen during the new and full moon
By: Dr Pandula Siribaddana
Tide is defined as a ‘cyclical deformation of one astronomical body caused by the gravitational forces extended by the other’. Although there are many forms of tides demonstrable in the earth’s atmosphere, the periodical changes in the sea level is the most notable...
Why rip currents are dangerous
By: Andrew Moran
A rip current, also known as a rip tide, is explained as an intense conduit of water that flows seaward from the surf line. They transpire when the wind and waves push water towards the shore, which is forced sideways by the oncoming waves. It...

 

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