Where is Songhai located?

Where is Songhai located? West Africa Songhai empire, also spelled Songhay, great trading state of West Africa (flourished 15th–16th century), centred on the middle reaches of the Niger River in what is now central Mali and eventually extending west to the Atlantic coast and east into Niger and Nigeria. What country took over Songhai? Although […]

What enzymes are used in waste treatment?

What enzymes are used in waste treatment? Ligninase, cellulase, peroxidase, etc. are the most important enzymes, especially peroxidase, which is used for color removal in bleaching effluents. Should I add enzymes to my septic tank? Biological additives, like bacteria and extracellular enzymes, are the only acceptable septic tank treatment for promoting a healthy, natural bacterial […]

What is Eco mode on Dr heater?

What is Eco mode on Dr heater? The ECO mode on your heater is a program that attempts to keep the temperature strictly at a. “warm” 68° F. This also helps with efficiency, as it is programmed to 1) Increase the wattage used. to 1500W if the temperature drops below 64.4°F 2) Gradually reduce the […]

What are different methods of road construction?

What are different methods of road construction? The most common modes of construction are Earth road method, Gravel road, bituminous road; water bound macadam and concrete cement method. What is new technology in road construction? Self-healing concrete and intelligent compaction are other emerging technologies in the area of road construction materials and machines. Smart highways, […]

What is R577X?

What is R577X? ACTN3 is a gene that encodes for alpha-actinin-3, a protein expressed only in type-II muscle fibers (North et al., 1999). A common polymorphism in this gene is R577X (rs1815739), where a C-to-T base substitution results in the transformation of an arginine base (R) to a premature stop codon (X). What is ACTN3 […]

Are fullerenes toxic?

Are fullerenes toxic? Toxicity of fullerenes Nanotubes as compact tangles might lead to lung fibrosis and cancer, whereas as fibres they might also affect the pleura and cause mesothelioma, like asbestos. Multiwall carbon nanotubes might also be associated to the pathogenesis of cardiopulmonary disease induced by particulate mater. What are the disadvantages of fullerene? Disadvantages […]

What is an example of social responsibility norm?

What is an example of social responsibility norm? Government officials may expect people who are well off to donate to homeless people. This is an example of social responsibility norm. Two nations at war have a perceived incapability of actions, goals, or ideas. What are social psychological terms? Topics examined in social psychology include: the […]

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