Los humos y las nieblas son motivos de accidentes viales. a) ¿cuál es la causa de dichos accidentes? b) ¿qué diferencias y qué semejanzas tienen los humos y las nieblas? respondan ya pofavor

Which position represents spring in the southern hemisphere? a) b) c) d)

Can someone me with 6 to 10 plz this is for masteries test.

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?