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They, together with seaweeds
and seagrasses, produce as much oxygen as all the forests
and grassy plains on land
and seagrasses, produce as much oxygen as all the forests
and grassy plains on land
Full Transcript
00:00:01.000 --> 00:00:04.437
They, together with seaweeds
and seagrasses,
00:00:04.006 --> 00:00:06.353
produce as much oxygen
00:00:06.044 --> 00:00:10.032
as all the forests
and grassy plains on land.
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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.