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To show which types of soil hold water best
Tie cloth over the end of various lamp chimneys and then fill every one to within 8 cm of the top with dissimilar types of soil. Use sand, clay, loam and soil from the woods. Place dishes under each chimney to catch water which runs by. Next pour measured amounts of water into every chimney unless the water begins to run through. View the soil type into which the most water can be poured without running through.
Surfaces of colloidal fractions of clay minerals The surfaces of colloidal fractions of clay minerals and humus are responsible for the cation and anion exchanges between soil
Personal Protective Devices : We shall now discuss the details of protective devices required for safety in a laboratory. The aim of protective devices is to minimise the risk of
what are the different kinds of solid object?
How do you explain the fact that clay soils which commonly have higher pore space than sandy soils are often more poorly aerated than sandy soils. Clay soils have higher pore s
This mineral has the name "bloodstone" because it provides a deep red color on a streak test. What is its chemical formula? Fe 2 O 3
Explain the Radioactive Red Blood Cells In order to make red blood cells radioactive, tagging of red blood cells with radioactive chromium ( 51 cr) is done. A small quantity of
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
what is the meaning of element
what are the 7 characters of pea plants observed by mendal?
Explain Rhythmicity - Properties of a Beating Heart Not only does the denervated heart continues to beat, it does so remarkably rhythmically. What it means is that the heartbea
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