Nowadays, and after fresh water, <em>Sand</em> is the most used natural resource on the planet.
Sand is a loose, fragmented material, comprised of tiny particles of scattered rocks, shells, corals and other minerals.
The most common sand is comprised of <em>quartz</em> and feldspar, which are high in silica content, stuffs used to make glass; and to produce semiconductor silicon chips for microprocessors.
Sand is the raw material used to produce integrated circuits and the glass for contact lenses.
And Sand processing has grown into a multi billion dollar business, turning the role of Sand in our lives widespread farther away our beloved beaches.
Cardiovascular diseases such as atheroscelerosis and hypertension
Cardiovascular diseases are series of diseases that occur due to narrowed or blocked blood vessels which can result in chest pain, heart cold or stroke. Excess free radicals play an important role in the initiation and progression of cardiovascular diseases such as atheroscelerosis by damaging the blood vessel walls.
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Answer: Practice has changed but not belief.
Explanation:
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