A famous Icelandic freshwater diving site, the Silfra (Silver) Fissure, is known for the extreme clarity of its water and for which other of these?
It is a crack between the Eurasian and North American continental plates
it is crack between eurasian and north american continental plates
it is crack between eurasian and north american continental plates
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It is a crack between the Eurasian and North American continental plates