What is the second most abundant gas in the Earth's atmosphere? A. Oxygen B. Nitrogen C. Carbon dioxide D. Argon 相关知识点: 试题来源: 解析 A。解析:地球大气中第二丰富的气体是氧气,占大气总量约21%。氮气是最丰富的,约占78%。二氧化碳含量较少,氩气含量也比氧气少。
Which gas is the most abundant in the Earth's atmosphere? A. Oxygen B. Nitrogen C. Carbon dioxide D. Argon 相关知识点: 试题来源: 解析 B。解析:地球大气中最丰富的气体是氮气,约占大气总体积的78%。氧气约占21%,二氧化碳含量很少,氩气含量也较少。所以氮气是最丰富的,A选项氧气不是最丰富的,C...
The Earth has an atmosphere.Which gas is the most abundant in the Earth's atmosphere? A. Oxygen. B. Nitrogen. C. Carbon dioxide. D. Hydrogen. 相关知识点: 试题来源: 解析 B。本题考查地球大气的组成。氮气是地球大气中含量最多的气体;氧气次之;二氧化碳和氢气含量很少。
The atmosphere is made up of different gases. What is the most abundant gas in the atmosphere? A. Oxygen B. Nitrogen C. Carbon dioxide D. Hydrogen 相关知识点: 试题来源: 解析 B。解析:大气中含量最多的气体是氮气。A 选项氧气含量次之;C 选项二氧化碳含量较少;D 选项氢气含量极少。 反馈 收...
___ is the second most abundant gas in the atmosphere. A. Oxygen B. Carbon dioxide C. Argon D. Water vapor 相关知识点: 试题来源: 解析 A。解析:本题考查大气中气体含量的排序以及词汇。大气中含量第二多的气体是氧气。B选项“Carbon dioxide”含量远低于氧气;C选项“Argon”氩气含量比氧气少;D选项...
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Methane is one of the least reactive atmospheric hydrocarbons and is produced by diffuse sources, so that its participation in the for 翻译结果2复制译文编辑译文朗读译文返回顶部 The most abundant hydrocarbon in the atmosphere is methane, CH4, released from underground sources as natural gas and ...
Furthermore, traditional building materials such as concrete and steel are themselves energy-intensive, adding to the greenhouse-gas emissions that cause climate change. By contrast, trees mitigate climate change by storingcarbon dioxide(CO2) from the atmosphere when they grow. And wood used in const...