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Define the term Bel
Bel, the unit of measurement of sound, is named after Alexander Graham Bell; Bell was the inventor of the telephone, but for some curious reason, is spelt with a single '1'. Be1 is too large a unit. Hence a unit, one - tenth as high, called 'decibel' (dB) is more commonly used. Thus the range of human hearing extends from 0-120 dB. Besides intensity, the other important characteristic of sound is frequency, which is the major determinant of pitch. Pitch is expressed in cycles per sec or Hertz (Hz), named after an eminent German physicist of nineteenth century.
can anyone tell me at least three adaptation that help humans have differential survivability, and three adaptations that help humans have differential fecundity? any help
why are boobs fluffy
Explain the Organ of Perception - Pre-requisites of Colour Perception These are the receptors. Receptors, as you may already know, are the rods and cones cells present in the r
Explain the Filiform papillae These are long and slender and are the smallest of the three types of papillae. They are found to be most numerous on the edges and anterior two t
Explain the Pyramids - Feature of Medulla Pyramids are the bulges of ventral surfaces, where most of the lateral corticospinal tracts originating from motor area of cerebrum de
Define the Lymphocytes They are agranulocytes. The nucleus occupies approximately the entire cell. They vary in size from 6- 18 mm diameter; sometimes divide in small and large
how far the moon to the earth in kilometer?
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Neanderthals: These were the first human like fossils found. The Neanderthals existed throughout western Europe and across into the near east and central Asia from about 10
discuss homeostatis. I have choosen the bodies temperature and I need to discuss it and what effects it has on the body
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