Consider a thin circular disk that has been heated up to 100 °c and then left inside a chamber to cool down. the chamber surface is kept at 50 °c and the air inside is maintained at 20 °c. assume that the disk is held at the center of the chamber and the heat conduction is neglectable. what is the total rate of heat transfer from the disk? the disk diameter is 500 mm and the surface emissivity is ε = 0.5. note: air properties: υ = 20.92×10-6 m2 /s, k = 30×10-3 w/mk, pr = 0.7, α = 29.9×10-6 m2 /s and

Study the diagram showing the range of temperature in the earth’s layers. which temperature most likely corresponds to the asthenosphere? 1,613°c 2,521°c 3,628°c 6,217°c

Which is not one of the major climate zones? question 3 options: rain forest polar tropical temperate

Utah's great salt lake has an average salinity seven times higher than that of the oceans. very few multicellular organisms live in this harsh environment. an example is the brine shrimp, which must devote a large portion of its metabolic energy to osmoregulation. these brine shrimp must available hint(s)utah's great salt lake has an average salinity seven times higher than that of the oceans. very few multicellular organisms live in this harsh environment. an example is the brine shrimp, which must devote a large portion of its metabolic energy to osmoregulation. these brine shrimp must pump water back into their cells to counter its loss due to osmosisactively pump water back out of their cells to counter its inflow due to osmosissynthesize membranes that are impermeable to substances that upset osmotic balanceactively pump salt back out of their cells to counter its inflow due to osmosis