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TO SHOW THAT AIR HAS WEIGHT
Drive a thin nail by the exact centre of a long rod such as a metre stick or a yard stick. Balance the stick by resting the nail on the rims of two drinking glasses. Make a rider out of a short length of wire and place it on the end of the stick which requires weight to balance. Move the rider unless the stick balances perfectly. Hang a rubber balloon and a rubber band on single end of the stick. Now counterbalance the balloon exactly with a few weights on the other end of the stick. Mark the place on the stick where the balloon and counter-weight were placed. Take away the balloon and inflate it, using a bicycle pump. Close with the rubber band. Next hang the balloon and counterweight precisely where they were before
compare water stills and deionizer
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Stellar Motion: Stars are not fixed in the heavens. They are moving within the galaxies. The speed of a star moving toward or away from the Earth is indicated by a shift of
Ask question mode of nutrion in tigers
Explain the Complement System To remove a microorganism by phagocytosis requires phagocytes at the right place in the right time. The organism should adhere to the phagocyte. M
LAB ANIMALS : In this section, we shall deal with the important aspects concerning lab animals. You are advised to be familiar with regulations concerning experiments on animals w
what are the subdivisions of ecology
make a list of food item used at home .categorize them as healthy food [energy giving, body building and protective food] and unhealthy food [fried and greasy]
The characteristic properties of an aquifer can be used to calculate groundwater velocities, v groundwater (L/T), according to: V groundwater = K H / η (dh/dl) where KH (L/
Explain the Factors That Affect the Reabsorption Process There are also two major factors that affect the reabsorption process. These include: 1) Concentration of small m
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