The atmosphere protects the earth. What is the atmosphere made of? A. Gas and dust B. Water and fire C. Earth and moon D. Stars and gas 相关知识点: 试题来源: 解析 A。本题考查对大气层组成的了解,大气层由气体和尘埃组成。B 选项水和火不对;C 选项地球和月亮不对;D 选项星星和气体不对...
D. The speed of the E. arth's rotation. 相关知识点: 试题来源: 解析 B。解析:科学家通过发射气象气球主要收集大气压力、温度和湿度等数据。A选项气象气球不仅仅收集降雨量。C选项气象气球不是主要用于收集天空中云的数量。D选项地球自转速度与气象气球收集的数据无关,所以答案是B。
Earth has an atmosphere. The atmosphere protects us from harmful rays. What is the atmosphere made of? A. Water vapor B. Gases C. Soil D. Rocks 相关知识点: 试题来源: 解析 B。解析:地球有大气层,大气层保护我们免受有害射线的伤害。大气层是由气体组成的。选项 A 水蒸气只是大气层的一部分...
结果1 题目What percentage of the Earth's atmosphere does nitrogen make up by volume? A. 21% B. 50% C. 78% D. 99% 相关知识点: 试题来源: 解析 C。原因:It makes up about 78% of the Earth's atmosphere by volume.。反馈 收藏 ...
What does “meteorologists” refer to___. A. people who study the earth’s atmosphere and its changes B. people who are in charge of weather forecast C. people who broadcast weather on TV D. people who study the E. arth’ s rocks the history of its development 相关...
The atmosphere protects the Earth from harmful rays. What is the atmosphere made of? A. Water and air. B. Gases. C. Soil and water. D. Rocks and minerals. 相关知识点: 试题来源: 解析 B。大气层是由气体组成的;A 选项水和空气不准确;C 选项土壤和水错误;D 选项岩石和矿物质错误。
Astronomers have peeked into the atmosphere of a "super-Earth"for the first time. Their analysis...BotkinKowacki, Eva
Hello, I ask for your help because I can't find any information about Earth crust-atmosphere phase transition. I noticed indeed that our feet tread upon a...
As a result, the study estimates that somewhere between 2% and 16% of the oxidizing ( 氧化 ),or cleaning that happens naturally in the Earth's atmosphere, is done by lightning. Why is this significant? The oxidation process helps to reduce chemicals like carbon monoxide and methane in the ...
So, if, if you can understand that way of thinking, then clearly, if the Earth, was moving at a great speed, we should have lost all our atmosphere a long time ago. You know, it would be, like, trailing away behind us. And so I want to try a little thought experiment. Because,...