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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?
what is ecology
Evaporation Highly volatile liquid wastes could be disposed of by effective ventilation. Example : Diethyl et-her. Moderately volatile liquid wastes can be absorbed on
Explain the Menstrual Phase - Menstrual Cycle If the ovum is not fertilized, a high level of progesterone in the blood inhibits the activity of pituitary gland and the producti
how to do
To feel the 'spring' of air Secure a bicycle pump and place your thumb over the finish of the outlet tube. Next push the piston in forcibly and rapidly let go of it. What happe
Explain Development of Agranulocytes Agranulocytes, we know, are the monocytes and lymphocytes. Agranulocytes develop in the bone marrow and thymus. They start as stem cells.
Define the term - Soil protozoa These are unicellular but larger than bacteria, the size varying from a few microns to a few centimeters. The protozoa exist in all aerable soil
Explain Temperature Regulation - Physiology of Growth and Development Surface area of the infant per unit weight is larger than the adult; hence infant loses/gains heat from th
How would I give a presentation to the public on the use of Malathion as a means to control mosquitos
Discovery of Microbes The discovery of microbes and the fact that they cause infectious diseases is one of the greatadvances in science, which has helped us in understanding
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