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Air expands when heated
To show that air expands when heated, fit an electric light bulb flask or a bottle with a single- whole stopper or cork which has a 30-cm length of glass tubing or a soda straw by it. Place the end of the tube in a small bottle of water. Heat the flask and view what happens. Heat the flask until a considerable amount of air has been separated and then cool the flask by pouring cold water over it or by rubbing with a piece of ice.
application of remote sensing in land slides and flood control
father of environmental microbiology
Define the Utilization of Amino Acid Amino acids are utilized in the liver to form plasma proteins like serum albumin, serum globulin, prothrombin and fibrinogen. Amino acids,
Lifting the water surface Bend the pointed end of a pin or use a piece of fine wire to make a hook. File the point of the hook unless it is very sharp. Put your eye on a level
The effect of rain on sloping soil Fill a shallow pan or box with firmly packed soil. Set the pan outside in the rain with one end increased slightly. Observe how the raindrops
Stimulus and Response: Scientists concerned with human behaviour and attitudes, namely psychologists, have tried to understand the basic process of learning, starting from simple
Geocentric Universe of the Ancients: The earliest ideas of the Egyptians and Sumerians about the universe may seem strangeto us. The Earth appeared flat 2nd solid tg them.
advantages and disadvantages of protozoa
Explain ABO Blood Grouping System As the name suggest, this is based on the presence or absence of 9 antigens A and B, on the surface of RBC. If either of these antigens is pr
heat always from where things to where things
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