根据第一段第一句“An Ice Age is a period of time, typically about 30 million but occasionally as long as 300 million years, during which ice sheets cover at least the earth's polar areas.(冰河期是一段时期,通常约为3000万年,但有时长达3亿年,在此期间,冰原至少覆盖了地球的极地地区)”可知,...
During an ice age, colder global temperatures lead to recurring glacial expansion across the Earth’s surface. Capable of lasting hundreds of millions of years, these periods are interspersed with regular warmer interglacial intervals in which at least one major ice sheet is present. Earth is curre...
Changes in the globaltemperature.practically all the time.D. Changes in the atmospheric compostion.When the term “Ice Age" is talked about, itit inoften relates to these shorter glacial periods whenDuring Ice Ages, large quantities of water get14. What happened during the most recent IceAge...
根据第二段中“During interglacial periods of an ice age, the average global temperature increases. Ice sheets and glaciers get smaller. The climate is warmer and wetter than it is during glacial periods.(在冰期的间冰期,全球平均温度升高。冰原和冰川变小了。与冰河时期相比,这里的气候更加温暖和湿润...
It refers to a long period of time when glaciers and ice sheets cover large parts of the Earth.你听说过"冰河时代"这个词吗?它指的是冰川和冰原覆盖地球大部分地区的一段很长的时间。根据第二段The climate changes multiple times during an ice age.It switches between glacial periods and interglacial...
ice age 1.Any of several cold periods during which glaciers covered much of the Earth. 2.Ice AgeThe most recent glacial period, which occurred during the Pleistocene Epoch and ended about 10,000 years ago. During the Pleistocene Ice Age, great sheets of ice up to two miles thick covered ...
Ice Age Triggers Recent concern over the warming effects of the rising amounts of the greenhouse gas carbon dioxide in the atmosphere has led scientists to investigate Earth's climate history. It is now accepted that long-term changes in the Earth's climate over billions of years are the res...
periods 2An Ice Age is a period of time, typically about 30in the location and amount of crust(地壳) at difierentmillion but occasionally as tong as 300 millionpoints on the Earth's surface, etc. The short-termA. By lising examplesyears, during which ice sheets cover at least the(40...
英 n.冰期;冰川期;冰河时代 网络冰河世纪;冰河世纪三部曲;冰河时期泡泡龙 权威英汉双解 网络释义 ice.age n. 1. 冰期;冰川期;冰河时代one of the long periods of time, thousands of years ago, when much of the earth's surface was covered in ice...
45.From the “Roman Warm Period" to the “Little Ice Age",periods of hot and cold weather(extend)forcenturies. 55.From the “Roman Warm Period" to the “Little Ice Age", periods of hotand cold weather(extend) for centuries.