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Explain Increase in Sound Wave Pressure through Middle Ear
There are certain factors which contribute to an approximately eighty-fold increase in sound wave pressure through middle ear. These are:
These factors constitute an impedence matching system that increases the wave pressure so that it is effectively transmitted from the low resistance medium of air into the higher resistance medium of the fluid in the inner ear. One of the major functions of the middle ear is to protect the ear from loud sounds.
The Carbon Cycle: We have seen that carbon is one of the essential elements of all organic substances and it enters the ecosystem through the process of photosynthesis. Carbon is
Carbon l4 with a half-life of 5,568 years is used to date a sample of wood. Sample has l/8 the carbon l4 contained in a living tree of same species. Approximately how old is specim
what is soil erosion?
Define age related changes in Excretory System There is a progressive decrease in the number and size of nephrons fiasic unit of the kidney). There is a 10% decrease in renal p
DISPOSAL OP CARCASS : After the experiment with an animal is over, the dead animal, i.e. carcass should not be left in the laboratory. The dead animals start decaying and putr
what work of platelets
how semiconductor detector works
Explain Precipitation - Antigen-Antibody Interaction If Ag-Ab are present in an appropriate ratio, they form a precipitate in blood. Turbidity is developed, this can be measure
Applications of Optical Fibres: Fibre optics finds many applications in areas like medicine and communications which we will briefly describe. We will also discuss its advht
Palaeontological Evidence: Palaeontology is a branch of earth sciences, which is essentially a study of plant and animal life in the past geological periods, millions of ye
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