见文中第二句话:Enveloped by an ocean of air consisting of 78% nitrogen and 21% oxygen,the planet is the only one in our solar system known to harbor life.地球由内含78%氮气和21%氧气的大气层包裹,是太阳系中唯一一个已知能够含有生命的星球。其中78%的氮气符合选项“地球大气中氮气含量约占四分...
Harald Franzen
s geosphere? Spheres of Earth: Geographers broadly divide the different areas of our planet into spheres. The atmosphere is the term most commonly used, referring to all air around our planet, while the hydrosphere refers to all water in oceans and lakes, and the geosphere refers t...
How the earth got its atmosphere.Discusses the atmosphere in Earth. Difference in earth's atmosphere from other planets; Effect of the Earth's gravitational field in retaining the atmosphere; Investigation of the origin of Earth's carbon dioxide; Sources of Earth's volatile elements; Contribution...
Mars has no magnetosphere, so it lost much of its atmosphere over billions of years. This loss transformed the red planet’s climate from one that might have supported life into the dry and frozen desert of today.The magnetic field of Earth acts like a shield....
英语考试The atmosphere is a blanket of gases around the Earth,For thousands of years these gases have kept the planet's temperature at about 15°C.How?By trapping some of the sun's heat,But now,because of pollution,there are more and more hot gas
but Schifter says kids can understand the facts of climate change. Her daughter, who is 9, learned about climate change at school through a kid-friendly analogy, comparing Earth’s atmosphere to a heat-trapping blanket. Emitting greenhouse gases is like changing from a light blanket to a heavy...
Gaughan, Richard. How Solar Energy Affects The Earth's Atmosphere last modified August 30, 2022. https://www.sciencing.com/solar-energy-affects-earths-atmosphere-22463/ Recommended Andrea Izzotti/Shutterstock There are many reasonswhy plants and animals go extinct, but in the case of Australia's...
Think about how much art you actually hang on your walls, Toombs says. If you have decorative accessories or collections in these key rooms, pare them down to be more intentional and group them appropriately, she adds. “Choose artwork and decor that adds visual interest witho...
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