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Thermosphere Definition Thermosphere is the region of the Earth’s upper atmosphere lying above the mesosphere and extending from a height of approximately 80 km (50…

About Thermostat Definition Thermostat is a device that maintains a system at a constant temperature. It often consists of a bimetallic strip that bends as…

Review about Sony Digital Paper Tablet Introduction Sony has actually been trying to put paper out of business for a while. While Amazon’s Kindle e-readers…

Ethanol Definition Ethanol is an alcohol fuel that’s distilled from plant materials, such as corn and sugar. It is also called alcohol, ethyl alcohol, and…

About Glucose Definition Glucose is the energy source that the body most readily uses. Glucose is sugar that is stored in the muscle for use.…

About Ionosphere Definition Ionosphere is the part of the earth’s atmosphere beginning at an altitude of about 30 miles (50 kilometers) and extending outward that…

Chemical Formula Definition Chemical Formula is a way of expression, which states the number and type of atoms present in a molecule of a substance.…

Mineral Acid Definition Mineral acid also known as inorganic acid, which is an acid derived from one or more inorganic compounds. It is a substance…

About Homeostasis Definition Homeostasis is a healthy state that is maintained by the constant adjustment of biochemical and physiological pathways. It is the maintenance (the…

About Magnetosphere Definition Magnetosphere is the region surrounding a planet, such as the earth, in which the behaviour of charged particles is controlled by the…

Phosphoric Acid Definition Phosphoric Acid is a clear liquid, or a solid that forms colorless, rhombus-shaped crystals, that is used in fertilizers, detergents, food flavoring,…

About Archaea Definition Archaea is a unique group of microorganisms, which are called bacteria (Archaeobacteria) but are genetically and metabolically different from all other known…