Which layer of the atmosphere is closest to the Earth's surface and where most of the weather occurs? A. Troposphere B. Stratosphere C. Mesosphere D. Thermosphere 相关知识点: 试题来源: 解析 A。解析:对流层(Troposphere)是最接近地球表面的大气层。在这个层中,空气垂直对流运动强烈,几乎所有的天气...
11.As Yang Liwei returned into the earth's atmosphere,helicopters were flying to where he would land,ready to collect him. 试题答案 在线课程 分析杨利伟在返回到地球大气中是,直升机已经飞到着陆地点,准备迎接他. 解答答案:atmosphere. 根据常识可推断,杨利伟从太空飞回到地球的大气层,即名词atmosphere;本句...
The Orionids are the secondmeteor showerin the year created by Halley's Comet, theEta Aquaridsin May are also created by the famous comet. The Orionid meteor shower is produced whenEarthpasses through the debris or ice and dust left behind from Comet 1P/Halley, more commonly known asHalley...
When Earth passes through the comet's debris, the "comet crumbs" heat up as they enter Earth's atmosphere and produce impressive "shooting stars" that streak across the sky. 55P/Tempel-Tuttle is a small comet with a nucleus measuring just 2.24 miles (3.6 km) across. It was discovered in...
What are the northern lights? The northern lights are a natural phenomenon caused when solar winds send charged particles into the Earth’s atmosphere and magnetic field. They collide with atoms in the North Pole, resulting in a dazzling display of emissions that light up the night sky in a ...
aEarth is the only plant in our solar system where humans,other animais,and plants can live.there is plenty of water to drink or to live in. Water is present on earth in its big oceans and in the air!Clouds are made of water vapor.The atmosphere has a lot of oxygen in it for ani...
awater evaporates from oceans,rivers and lakes and rises into the atmosphere where it becomes clouds. It then falls to the earth in the form of rain or snow where it falls into oceans, rivers and lakes , and the water cycle begins again. 水从海洋蒸发、河和湖和上升入大气,它成为云彩。
Weareagainexposed(暴露)tooneofthoseunexpectedadventuresormisadventuresofsciencethatattractourattentionfromtheboringroutinesofdailyexistenceandencouragesustothinkalotaboutman’sfuture. WhatworriesRichardSmiththeSkylab’sdirectoristhe“bigpieces”thatwillcomethroughtheatmosphere.Twolumpsweighing2tonseachandtenweighingatle...
There are a lot of satellites floating around the Earth. According to the United Nations Office for Outer Space Affairs, there are 11,300 satellites in orbit. Nearly 3,000 are no longer in service, and either need to be repaired or sent back into the atmosphere to... read more Talk abo...
The movement helps to take the heat energy from the sun across the earth. So the weather changes.【小题5】 Climate is a place’s weather over a long time. The weather changes from day to day and even from hour to hour. It can be sunny in the morning, cold and ...