They found fossils of microscopic marine plants which suggest that the region was once open ocean, not solid ice.

他们发现了微型海洋植物的化石，表明该地区曾经是开放的海洋，而不是坚固的冰层。

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The reason for this increased cloud cover, it turns out, is the exceptionally large amount of microscopic marine plants.

事实证明，云量增加是大量的微型海洋植物导致的。

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Within samples collected from the solid substances lying beneath the ice they found fossils of microscopic marine plants which suggest that the region was once open ocean not solid ice.

在从冰下的固体物质中收集的样本中，他们发现微型海洋植物的化石，这表明这个区域曾经是开阔的海洋而不是坚硬的冰。

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Here is just one example: Single-celled marine plants produce fully half of all the oxygen in our atmosphere.

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This relates to environmental emergencies in Antarctica and includes proposals to enhance protection for marine plants and invertebrates.

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Marine plants and animals oysters, barnacles and coral deposit calcitic skeletons that add weight, stability, and longevity to the infrastructure.

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