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Over time, organic matter on the sea floor
slowly decays producing methane
slowly decays producing methane
Full Transcript
00:00:01.000 --> 00:00:02.015
Over time,
00:00:02.024 --> 00:00:05.079
organic matter on the sea floor
slowly decays
00:00:06.064 --> 00:00:07.096
producing methane.
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Movie Summary
David Attenborough returns to the world's oceans in this sequel to the acclaimed documentary filming rare and unusual creatures of the deep, as well as documenting the problems our oceans face.