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Sinking bodies
Fill the overflow can with water to the level of the spout. Select a stone that will go inside the overflow can. Attach a string to the stone and weigh it with a spring balance. Weigh the catch bucket. Place the catch bucket underneath the spout. Immerse the stone in the water and record its weight. Does it weigh the same as in air'? Collect the displaced water and determine its weight by subtracting the weight of the bucket from the weight of the catch bucket and water
What is Diffraction Diffraction happens at the edge of an impenetrable body that is large compared to the wavelength of the radio wave. The edge in effect become a source and w
Eight students conducted a controlled experiment to demonstrate how walking and running affected their heart rates. Use the data below to answer the following questions. Effects of
Some potato cores were weighed and then placed into a dilute sugar solution. After 2 hours, they were taken out of the solution, dried on a paper towel and weighed again. The mass
Explain Maintenance of pH - Functions of Bile Maintenance of pH: Bile neutralises the hydrochloric acid and helps to maintain a suitable pH. This prevents the injurious effects
a. A point source of 60 Co emits equal numbers of photons of 1.17 and 1.33 MeV giving a flux density (i.e. fluence rate) of 5.7 * 10 9 photon cm -2 s -1 at a specified location
INTRODUCTION : In any science lab you work with chemicals, gases, electrical equipments, glassware, instruments etc. In case you are working in a biology laboratory handling the p
Please furnish me with the basic restoration plan for the Marshall wetland located in Liberia. This wetland is of mangrove type, has invasive species (c. Odorata, has a physical p
Advantages of Proteins Proteins are compounds of carbon, hydrogen, oxygen and nitrogen. On an average, proteins contain 16% nitrogen. Most proteins also contain sulphur and
Explain the Functions of the liver Secretion of bile: The liver cells are able to synthesize bile. All constituents of bile are not present in the liver. Liver cells use differ
Determine the Agronomic factors of fertilizers These factors are key to efficient use of fertilizers for crop production and include fertilizer responsiveness of crops, spacing
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