Q: 42 (IAS/2000)

Consider the following statements about the ‘Roaring Forties’:
I. They blow uninterrupted in the Northern and Southern Hemispheres.
II. They blow with great strength and constancy.
III. Their direction is generally from North - West to East in the Southern Hemisphere.
IV. Overcast skies, rain and raw weather are generally associated with them.
Which of these statements are correct ?
question_subject: 
Geography
question_year: 
2000
question_exam: 
IAS
question_sub_subject: 
Physical Geography
question_topic: 
Atmosphere
stats: 
0,3936,2216,912,3936,464,840