They are sitting with their gas masks on waiting for the gas to vent. Look at the reading on the "gas analyser" the needle is way in the red zone. Then a few seconds later it reels back to under the red and the green light comes on. Kind of a sudden fall. See more...
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The entry you are correcting is:
|Original entry||The heroine is trying to get to come on the trip in the minisub. She is asked "Name three under-ice amphopods" The word should be "amphipods", and her answer "Gamamarus" should be "Gammarus".|