The Ocean noise levels in 2003-04 were about _________ higher than in 1964-1966.
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → 10-12 decibels
Ocean noise in 2003-2004 was about 10 to 12 decibels higher than in 1964-1966, mainly because of the growth of global shipping.
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