What lies beneath Antarctic iceNature - the world's best science and medicine on your desktopdoi:10.1038/news.2010.442Ana BelluscioOAINature
What is the latest___revealed about the West Antarctic ice sheet?【解析】A)It collapsed at least once during the past 1.3 million years.细节题。注意提取关键信息“new evidence reveals that all or most of the Antarctic ice sheet collapsed at least once during the past 1.3 million years”所以...
解析 [解析]A)It collapsed at least once during the past 1.3 million years.细节题。注意提取关键信息 “new evidence reveals that all or most of the Antarctic ice sheet collapsed at least once during the past 1.3 million years” 所以选A选项。
根据第一段中的“If you want to cook something quickly,you heat it from both sides.That’s what’s happening to the West Antarctic ice sheet...While the CO2 we send out heats the atmosphere above the continent,earth is melting its ice from below.”可知,南极洲西部的冰盖正从上下两面同时...
(半球) during the 30,000year long ice age.That belief was held because the north pole is surrounded by land,while the south pole is surrounded by the Antarctic ocean.It is easier for ice sheets to grow on land.If surrounded by sea the ice can easily just slip into the ocean ...
What Does the Antarctic Ice Shelf Break Really Mean?Adrian LuckmanThe Conversation US
What is at the bottom of the Antarctic Ocean? Ocean Floor Topography The floor of the ocean, just like the surface of the continents, is not flat and featureless. Depending on your location on the Earth the floor of the ocean can contain mountains, valleys, and a wide range of flora and...
collapses. Warmer waters in particular are encroaching more frequently than before, affecting the underwater surfaces of ice shelves. Warmer air is also melting the ice shelf's exposed surface, forming ponds of meltwater, which trickle down through cracks in the ice, eroding it away from all ...
Some may even think they are freezing to death when rushing under an ice-cold shower just out of a warm bed. Indeed, we all know what cold means. Arctic(北极) .explorers would laugh at such ideas. Down in the Antarctic(南极), where scientists of many nations spend very dark months ...
It makes you wonder what’s under the big ice caps in the Arctic and Antarctic and alpine glaciers. And we have a 400-year-old lineage of genetic material.” The implications are not just botanical either. There could be something life-saving, or life-preserving, in the cells of such ...