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How to make a filter
A plant pot with a plug of cotton wool in the bottom and a layer of sand a few inches deep makes a satisfactory filter for many purposes.
Make some muddy water by stirring earth in a dish of water. Pour the water into the filter and catch it in a clear glass as it drips out. See if you can better the filter by building it up with alternate layers of sand and powdered charcoal. like a filter will work very well for clarifying water before it is boiled for drinking purposes.
Explain Organs of the Respiratory System The respiratory system consists of various organs. They form a clear pathway for the air to enter and leave the lungs. The body needs a
What might affect a spreadsheet developer’s choice for the date format used to display the date.
State the Chemical and Physical processes of weathering The chemical and physical processes of weathering aid each other. A rock mechanically broken into smaller pieces exposes
Carbon dioxide, dry powder and vapourising liquid extinguishers : Fires produced by spilled liquids should be extinguished by directing the jet or discharge horn towards the near
Fertilizers pollute our ____system when____fertilizers run off from_____and animal______runs off from______and________.
For chemically reactive wastes : The chemical property of the waste could be used in its removal in a number of ways as given below: i) Some water-reactive waste could be dispo
factors which decide the broad area of Scientific activity
define what is lithosphere
Explain Inspiratory Capacity and Expiratory Reserve Volume Inspiratory Capacity (IC): It is the tidal volume and the volume of air taken during maximum inspiratory effort.
Dissecting simple flowers Label each of five cards or pieces of White paper with one of the following words: stamens, pistil, petals,sepals, receptacle . Dissect a flower ca
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