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Making a 'gusher' with compressed air
Secure a large narrow-necked bottle like as is used for soda water. Place a single-hole stopper in the bottle. By the stopper put a 10- cm length of glass tube which has been drawn to a jet on the outside end. With a short length of rubber tube join a length of glass tube that will extend nearly to the bottom of the bottle. Fill the bottle about half full of water. Insert the stopper firmly and hold it in with your fingers. Next blow hard into the bottle; and when you free the pressure, point the bottle away from you. What happens?
A wound should be cleaned first and covered with a protective dressing. The main purpose of dressing is to: (1) prevent infection, (2) control bleeding, (3) absorb any dis
what is the cause of earth''s magnetism?
Explain Sneezing Reflex Actions - Respiratory Process This reflex is an involuntary, sudden, violent and audible expulsion of air through the mouth and nose. Usually irritation
Explain the Posterior Nerve Root Posterior nerve root consists of sensory nerve fibres, having cell bodies in root ganglions and enter the spinal cord. Immediately after emergi
Give reason for the benifits of our technological development not reaching all the strata of our society.
Explain Cyanosis - histotoxic hypoxia Cyanosis is a physical sign for causing bluish discoloration of the skin & mucous membranes. Cyanosis is caused by a lack of oxygen in the
solar system At night you can see very many stars in the sky. But during the day, only one star is .visible, and that is the Sun. This is not because there is anything extrao
Proteins may be classified broadly into three groups: a) Simple proteins, b) Conjugated proteins, and c) Derived proteins.
Mechanics: Another hnch of science which is, perhaps, the greatest contribution of Greek civilisation is mechanics. Mechanics developed out of the necessities of imgation,
carefully analyed the device sources of documentory data for geographic research
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