The likely harzards to shipping at the North American end of the North Atlantic sea…

The likely harzards to shipping at the North American end of the North Atlantic sea route are
  • A.
    waterfalls and rapids
  • B.
    fog and iceberg
  • C.
    submarine ridges and trenches
  • D.
    shallow inlets and weeds
Correct Answer: Option B
Explanation
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