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Uric Acid Definition Uric acid is a product produced by the body after the purines in many foods undergo the digestive process and are broken…

Review about the DJ2GO2 Introduction Numark (numark.com), the world’s leading innovator of DJ solutions, announced (16/8/2017) the introduction and immediate availability of its new DJ2DO2…

Topaz Definition Topaz is a colorless, blue, yellow, brown, or pink orthorhombic mineral valued as a gem. Topaz occurs as transparent or translucent prisms in…

Place Values – Expanded Form Bundling objects into sets of 10 (then 10 tens into one hundred, and 10 hundreds into one thousand, etc.) is…

Calcium Bicarbonate Definition Calcium bicarbonate consists of calcium, hydrogen, oxygen and carbon. It is not a naturally occurring solid, but it does form in water…

Sillimanite Definition Sillimanite is a usually white, pale-green or brown orthorhombic mineral occurring as long, slender, fibrous crystals in metamorphic rocks. It is a polymorph…

Plasma Cell Definition Plasma cell is a lymphocyte that originates from a B cell and produces antibodies as part of a humoral immune response. They…

Estimate the sum of decimals To estimate means to find an answer that is close to but not exact. It is a reasonable answer to…

Kyanite Definition Kyanite is a bluish-green to colorless triclinic mineral. Its chemical formula: Al2SiO5. It occurs as long, thin, blade-shaped crystals in metamorphic rocks. It…

Carbonic Acid Definition Carbonic acid is a weak, unstable acid present in solutions of carbon dioxide in water. It gives carbonated beverages their sharp taste.…

Carbonic Anhydrase Definition Carbonic anhydrase is an enzyme that assists rapid inter-conversion of carbon dioxide and water into carbonic acid, protons and bicarbonate ions. The…

Andalusite Definition Andalusite is a hard, grayish white to pinkish brown orthorhombic mineral. It occurs as nearly square prisms, often with cross-shaped cross sections, in…