By: Quentin Frere
We all know that water is the essential ingredient for life on Earth. Organisms cannot live without water. Water hydrates animals, transports nutrients, and is the universal solvent. There is only about 3 percent of freshwater here, on earth and only 31 percent of...
The difference between tides and water currents
By: Sam E. Jones
Many people confuse tides and water currents, but they don’t need to, because there are some very clear differences. While both tides and currents involve moving water, the reason for that movement is what sets them apart. Tides are caused by the moon’s...
By: Tasha Thong
Many ancient civilizations depended on water as a source of life; its significance can be seen in economics, transportation, and simply to sustain everyday life. As human beings, surviving without drinking water for long periods of time is impossible, therefore it was vital for ancient...
The chemical composition of seawater
By: Lea Miller
When you think of seawater, you probably think of ocean waves rolling up onto a beach and the taste of salt you get when you swim in the sea. Seawater can contain almost anything, since water runs off the land into the ocean and carries...
By: Morgan Carlson
The importance of clean and readily available water is as necessary for the present as it is for the future. All countries, regardless of their location should promote clean water acts within their own boundaries and expect their neighbors to honor the same practice. Landlocked...
The difference between tides and water currents
By: Sharon O'Connell
Whether you are an avid sailor or a recreational boater, being out on the water can be safer and more enjoyable when you know common nautical terms. The language used in the boating world is different from what is used by land lubbers. While it...
How dams are maintained
By: Sharon O'Connell
Dams are designed to be safe and structurally stable even in the most severe weather. When a dam is built, construction and design engineers work to insure the dam quality. There is also an inspection process to make certain that the dam is built to...
What is a depot in polar exploration
By: Anthony Megna
A depot is a store of food and materials that is placed along a trail so that polar explorers don't have to bring all that stuff with them. By now we all know the story of Captain Robert Scott, the famous Antarctic polar explorer who...
What lessons can we learn from the river?
By: Christyl Rivers
Rivers can teach us patience or fury, stillness, or surging power. They can teach us how snowflakes become glaciers, then rivers, and then they become the produce consumed by an entire subcontinent. They can teach us about unique and diverse eco-systems. They can teach us...
Why the Arctic is seeing thinner sea ice
By: Krystal Waldron
NOAA scientists have been investigating why the arctic sea is seeing thinner sea ice. NOAA scientists have found that summertime sea ice is melting faster than any had ever predicted. Thirty five NOAA researchers were conducting studies back in April 23, 2008. Director of the...

 

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