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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 soils, but numerically form only a small part of the soil population. A fertile surface soil may contain 10,000 to more than a million of protozoa per gram of soil. Soil protozoa tolerate adverse environmental conditions such as moisture, acidity, and climate to a greater extent than other soil microbes. The role of protozoa in soil is not definitely known. As they feed on the bacteria and actinomycetes, they probably help to maintain a favourable balance of the microflora in soil.
What is coal? The remains of trees and shrubs grew millions of years ago, when the weather was mild and moist.
What is an ionic bond? By definition, an ionic bond is a chemical bond that forms between two or more oppositely charged ions. The animation above shows an ionic bond between a
How are electrons arranged around the nucleus? Electrons are arranged into very specific rings known as orbitals. Electron orbitals, sometimes referred to as electron shells, c
Define Haemorrhagic or Blood Loss Anaemia The body replaces plasma within 1-3 days after a haemorrhage, but this leaves a low concentration of red blood cells. In chronic bloo
what are the reactions taking place during alcoholic acidity estimation for wheat flour
example of sex limited traits
Explain Rh Blood Grouping System Some individuals also have a so called Rh antigen on the surface of their RBCs. Those who have it are called Rh (+) and those who do not have i
Define Pollutants Regulated Under the Clean Water Act? The Federal Water Pollution Control Act (FWPCA) Amendments of 1972 later amended while the Clean Water Act (CWA) organize
why sea water have high salinity compared with pond water
Precautions : The following must always be observed while dealing with lasers. 1) Never look along a laser beam or expose any part of your skin to it. Beware of reflected laser
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