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How many years ago the earth was formed? (0.20 ) minute; 翻译结果3复制译文编辑译文朗读译文返回顶部 正在翻译,请等待... 翻译结果4复制译文编辑译文朗读译文返回顶部 How many years ago the earth was formed? minute (0.20 ) 翻译结果5复制译文编辑译文朗读译文返回顶部 How many years ago the earth wa...
Earth, a 4. =>地球,一个4。 5- Billion-year-old planet, still evolving. =>5亿年历史的地球仍在演变。 As continents shift and clash, volcanoes erupt, and glaciers grow and recede, the Earth's crust is carved in numerous and fascinating ways, leaving a trail of geological mysteries behind...
How was the Earth formed? Basically, scientists have ascertained that several billion years ago our Solar System was nothing but a cloud of cold dust particles swirling through emptyspace.Thiscloud of gas and dust was disturbed, perhaps by the explosion of a nearby star (a supernova), and ...
years after the start of the Solar System) – that the Earth’s only satellite, the Moon, was formed. The most common theory, known as the Giant Impact Hypothesis proposes that the Moon originated after a body the size of Mars (sometimes named Theia) struck the proto-Earth a glancing ...
地球的力量第1季第2集中英台词整理和单词统计 英文中文This is our planet: the Earth.这是我们的行星:地球。It is unique in the...
[1] As we all know, the Earth has everything that is needed for life to develop, which is why we are here. But four billion years ago, when the Earth was formed, what were the chances that life would emerge ? Pretty small, according to biologists—about the same chance that you wou...
7.on duty8.watch a film基础巩固I,根据句意及汉语或首字母提示完成句子1.Here is my school daily(常规)2.There is an old(谚语)that a friend in need is a friend indeed.3.The geography teacher told us that the earth travels(环绕)hesun.4.Mr Green goes to Shanghai every winter and sthere...
A year on Earth is approximately365 and a quarter days. Is there such a thing as a perfect calendar? What is time? How Many Moons Does Earth Have? Earth has one natural satellite, called theMoon. It was possibly formed when a large object, about the size ofMars, crashed into Earth in...
When did oxygen appear on Earth? Around 2.5 billion years ago, oxygen appeared. As more sunlight was able to penetrate the earth’s atmosphere, it brought the first opportunity for photosynthesis. Oxygen formed made by simple blue-green algae known as cyanobacteria. They are thought to be the...