Q401
The north flowing rivers of Siberia are not of much use for navigation mainly because
A.
They are too shallow in the dry season
B.
The lower courses remain frozen for many months
AnswerC.
They flow through uninhabited areas
D.
They lack navigation facilities to ensure safety
Answer: Option B
Solution
Answer: Option B
Solution:
The north flowing rivers of Siberia are not of much use for navigation mainly because The lower courses remain frozen for many months.