Tang and Li often walk 20 kilometers to check for fire risks in the 600-hectare (公顷) forest. Thanks to the couple, there has not been a single fire. Sometimes, Tang has to take the risk of climbing high in the trees. One time, when he was checking the height of a tree, he fe...
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这是新形成的分子。最后，我们在窗户表面看到了肉眼可见的小水滴。And they constitute the organic matter that's been formed from the initial ice which was irradiated, then warmed. The temperature in the reactor is now around 20°Celsius.它们构成了由最初的冰形成的有机物，这些冰先是被辐射，然后被...
(seevolcano: Intraplate volcanism), superplumes may have had profound effects on Earth’s geologic history and even on itsclimate. One outburst of globalvolcanismabout 66 million years ago, which created the vast floodbasaltdeposits known as theDeccanTraps on theIndian subcontinent(seeplateau), may...
The most recent supercontinent was Pangaea, which began to break apart about 200 million years ago; the landmasses that comprised Pangaea eventually wandered into the current configuration of continents. 37. Shifting rocks created mountains (Image credit: NASA Earth Observatory.) While the shifting ...
Attracted/Attracting by mermaids since she was a child, Hannah Fraser created her first tail when she was only nine years old. Choose the correct form of the verbs. Attracted (原因状语;表示被动) by mermaids since she was a child, Hannah Fraser created her first tail when she was...
An asteroid some six miles (10 kilometers) wide or bigger smashed into Earth and created the Vredefort Crater, in present-day South Africa, some 2 billion years ago, long before even thedinosaursevolved. At the time, researchers estimate the impact crater was a whopping 112 to 186 miles (...
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 the early days of the solar system. The debris created by this collision was pulled together by gravity to make the ...
Finally, about 320 million years ago, there was a major geological collision, geologically speaking, as Gondwana, Laurussia, and other nearby landmasses smashed together and created Pangaea. However, the supercontinent of Pangaea wasn't quite as big as most people think it was. "Pangea never in...
The video, which follows the theme of the previous Earth Day spots Apple released, focuses on Liam, Apple's recycling robot that strips iPhones down to their component parts. The ad was created by Apple environment lead Lisa Jackson and her team to mark Apple's... Read Full Article 46 ...