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根据后文Consider the following tips to reduce your influence when traveling(考虑以下技巧来减少旅行时的影响),可知表示"幸运的是,旅行的某些方面可以用对地球更温和的方式进行"的选项G可以引出后文,reduce your influence和can be done in ways gentler to the planet是关联词,故选G。(2)主题判...
Select the correct answer. Which of the following elements makes up the majority of Earth's atmosphere? a. Oxygen b. Hydrogen c. Argon d. Nitrogen Elements in the atmosphere Although the Earth's atmosphere contains a lot of nitroge...
Scientists believe the world’s average temperature has risen by about 0.8 ℃ since 1900, and nearly 0.2 ℃ every ten years since 1979. So far, efforts to cut emissions of planet-warming greenhouse gases are not seen as enough to prevent the Earth heating up beyond 2 ℃ this century—a ...
If life on another planet were fundamentally like life on Earth, the macromolecules of living things would be based on which element? A. Carbon B. Hydrogen C. Nitrogen D. Oxygen E. Phosphorus If life on another planet were fundamentally like life on earth, the ...
Dr. Rudolph Wolf, of Berne, in a letter to the Editor of the Astronomische Nachrichten, mentions that he has prepared for the press a paper on the Solar Spots, which will shortly appear in a Zurich periodical 来自 Oxford Univ Press 喜欢 0 阅读量: 14 ...
planet. Many argue that after a certain level the gases ‘saturate’ and lose most of their warming properties. One simple way to understand this is to observe that doubling insulation in a loft will not trap twice as much heat. The saturation hypothesis would appear to explain how CO2has ...
aData from Voyager Ⅱ have presented astronomers with a puzzle about why our outermost planet exists. 鏁版嵁浠庤埅娴疯€?鈪?鎻愬嚭浜嗗ぉ鏂囧 瀹朵互涓€涓 毦棰樺叧浜庝负浠€涔堟垜浠 渶澶栧眰鐨勮 鏄熷瓨鍦ㄣ€? [translate] awe will arrange to recover one tool every week from now ....
The substantial increase in CO2 emissions from human activities is undeniably the leading cause of the planet's warming. Besides decreasing emissions, ensuring the near-term prevention of adverse climate change effects could depend on the removal of large volumes of CO2 from atmospheric sources or ...
It is a vital component of the greenhouse gas CO2, the highest percentage of the global warming gas in the atmosphere. These Green House Gases (GIIGs) along with other factors are responsible for the most discussed issues affecting the planet, climate change. Climate change has and still ...