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Aerobic Based Water Treatment:
Waste water provides organic materials and inorganic nutrients to river waters; this is known as eutrophication. This promotes microbial and plant growth which reduces oxygen from the water resulting in death of fish and other types of fauna. Sometimes algal and plant growth can be so profuse as to physically block the river. Waste waters can also add inert particulate matter which settles in the bottom of the river; sometimes it may be hot and increase the river water temperatures. All these factors affect the composition and the population of flora and fauna of the rivers.
Q. Show the Collection of Primary Samples of grain? Sampling of grains begins with the collection of the primary sample i.e. sample of the consignment. The process involved in
Describe about Acyanotic Congenital Heart Disease ? The following lesions will be discussed here: Left to right shunts: Atrial Septal Defect (ASD), Ventricular Septal Defect
What was the experiment of Stanley Miller (1953) on the origin of life? In 1953 the Stanley Miller arranged an experimental apparatus that simulated the atmospheric conditions
Processes in Succession - Ecology Whether succession is primary or secondary, in terrestrial or aquatic ecosystems, the basic processes involved in succession are similar. The
What are the structural differences between roots and shoots? What structures are unique to each?
Define Protein-Energy malnutrition - Nutritional Deficiency? Even in normal times, PEM is a problem in many developing countries, most commonly affecting children between
Nose Nose consists of external and internal parts. The inner lining of the nose contains millions of small receptors. These receptors are located on the sensory hairs.
what are the biological significance of skeleton
Carbohydrate characteristic chemical features include: Select one: a. the potential to form multiple hydrogen bonds. b. the existence of one or more asymmetric centers.
Pyramid of Biomass - Ecological Pyramids The pyramid of numbers is not a very good method to use if the organisms at different trophic levels are of greatly differing sizes. T
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