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How to make a simple vacuum pump
Secure a bicycle or automobile hand pump. Open the pump and delete the piston. Un- screws the bolt that holds the leather washers. Reverse the washers by turning them over. Change the washers on the piston and insert in the pump cylinder. A pump of this sort will serve to do a lot of simple vacuum experiments
true or false a conductor does not transfer energy well
When, in the geological time scale, did dinosaurs first appear: Triassic
Explain Passive transport or diffusion - Mechanism of Urine Formation Passive transport or diffusion: Diffusion means the random movement of particles in a fluid. The movement
Sterilizing water by boiling The presence of tiny living plants and animals makes water inappropriate for drinking. Such forms of life can only be seen by a microscope. We can
Properties of a Beating Heart Heart Let us study a few interesting properties of a beating heart which make it such a unique organ. 1. Automaticity 2. Rhythmicity 3. L
what is a chemical
1. DH is admitted with end-stage liver disease and severe ascites requiring paracentesis while in the hospital. He has been started on PN therapy for his poor nutritiona
Lab coats : The lab coat should fit well and should be buttoned up correctly at all times. Cotton lab coats are more suitable than those made from nylon as the former could absorb
how does lungs function
Explain the Alpha Fetoprotein Screening (AFP) This is a blood test that measures the level of alpha-fetoprotein in the mothers' blood during pregnancy. AFP is a protein normall
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