Which of the following is CORRECT according to this passage？A．Scientists have already got

Which of the following is CORRECT according to this passage？

A．Scientists have already got statistics to prove Arctic crisis.

B．2009 is even worse than 2007 in terms of ice-melting.

C．Mile after mile of warm ocean water tells us some minor changes are happening there.

D．We can know the exact thickness of the ice and water temperatures from satellite images.

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