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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 the Chronic Glomerulonephritis The repeated occurrence of acute glomerulonephritis, persisting proteinuria, hypertension and chronic renal failure may damage more and m
Safety spectacles : Safety spectacles need to be used where there is the slightest risk of splashes of chemicals or fragments of dust, glass, etc. getting into the eyes.
Describe Common elements that make up the minerals of the Earth's crust? The Earth's crust, which is the layer of the Earth we are on now, is made of numerous minerals and rock
Functional unit of the nervous system-neuron: The human brain is composed of more than one hundred billion (100,000,000,000 or 1011) cells called 'neurons'. This number which
Explain Glucagon Glucagon is secreted by a-cells of Islets of Langerhans. It is a hormone containing 29 amino acids. Its effects are opposite to that of insulin.
how do they protecte themselves
Explain the Hyperinsulinism - Insulin Too much secretion of insulin or over treatment of a diabetic person with insulin may cause hyperinsulinism. In this condition, the blood
how many ethyl alcohol are present in a 50 ml bottle of 70% rubbing alcohol solution?
how does reproduction help the white lipped tree frog survive
which is longset cell in human body
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