You are designing a drier that must evaporate 200 lb/h of h2o from sludge by using air. air at 70°f and 50% relative humidity is drawn into the drier and it leaves at 140f and 70% relative humidity. how much volume of dry air needs to be used for this operation?

this is true

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i looked it up

d would be the most obvious choice to this question. leaders are supposed to herd their underlings like a shepherd to sheep. a leader should also listen to others when they are talking to one other to gain a better understanding of their mission and surroundings.

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can you answer my question?

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the army does care about its soilders sir i think yout getting off on the wrong foot sir you need to respect our country were keeping the peole that want to d harm towards you out. so dont go saying we don't care cause we do