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More Chemistry Related questions:
It takes much longer to cook food in the hills than in the plains, because
Options: in the hills the atmospheric pressure is lower than that in the plains and therefore water boils at a temperature lower than 100oC causing an increase in cooking time, due to low atmospheric pressure on the hills, the water boils at a temperature higher than 100oC and therefore water takes longer to boil, in the hills the atmospheric density is low and therefore a lot of heat is lost to the atmosphere, in the hills the humidity is high and therefore a lot of heat is absorbed by the atmosphere leaving very little heat for cooking
The Manhattan Project was started by President Roosevelt in 1942 to ensure that the U.S. beat the Germans in developing a nuclear bomb. Whom did Roosevelt appoint as scientific head the Manhattan Project?
Options: Robert Oppenheimer, James B. Conant, Leslie R. Groves, Vannevar Bush
Nowadays many novel chemicals are being synthesized termed as xenobiotics. The unique feature of these is what they are biodegradablenon- biodegradablepose on environmental threatthey are environment friendly
The land-sea distribution or the positions of the world's continents and major oceans influences
Options: the major pressure belts that develop from the general circulation of the atmosphere, the development of the mid-latitude cyclonic depressions, at the convergence zone between polar and subtropical air masses, both (a) and (b), None of the above