A bottle of an alcoholic beverage is labelled as 60 proof. The percentage of ethanol by volume in this alcoholic beverage is
A) 15.
B) 30.
C) 60.
D) 20.
Question 2
Without the greenhouse effect,
A) the Earth would be much colder.
B) no precipitation would fall.
C) there would be no change of season.
D) more earthquakes would occur.