If an object has a temperature of 42 °C, to which of the following objects will it transfer heat? Group of answer choices

object B at 40*C

object A at 48*C

object C at 44*C

object D at 46*C

Liquid from a brewery fermentation contains 10% ethanol and 90% water. part of the fermentation product (50,000 kg/h) is pumped to a distillation column on the factory site. under current operating conditions, a distillate of 45% ethanol and 55% water is produced from the top of the column at a rate of one-tenth that of the feed. what is the composition of the waste "bottoms" from the still?