Earth Science





Alternative Energy

All your alternatives have many problems with them and here are just a few of the problems with the media-hyped alternative proposals: Solar – Storage? There is no way to store sunlight yet, also what about the teenagers who ride…
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How Marble is Formed

Highly valued as a construction, flooring and sculpture material since ancient times, most famously by the Ancient Greeks and Romans, marble is prized for its smooth, soft nature, its strength and purity; it can be found in many countries and…
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Semi Precious Gems

What are precious and semi-precious gems? According to Galleries.com, gems are stones or stone-like items which are prized as ornaments, particularly for the fashioning of jewelry. Most gems are minerals such as diamonds, fluorite, and lapis lazuli. Some gems have…
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Opal Formation

Opals are beautiful stones used for jewelry and small sculptures. Many of them are white or clear, but some of them have a gorgeous array of colors. Chemically, opal is similar to glass, quartz, and those little silica gel packets…
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How Aqueducts Work

Potable (drinkable) water and water in general is one of the most precious substances on the planet because every living thing needs it to survive. Not every area of the world has access to water or enough water to support…
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