Air is a mixture of gases primarily nitrogen and oxygen essential for respiration, whereas the atmosphere is Earth's protective layer of gases, encompassing air, water vapor, and other components.
由原文第一段的Air is not jsut one gas. It is a mixture of different gases可知正确答案.故答案为C. (4).【答案】 A 【解析】 由原文第三段的If 1000 dots can represent the air, then 776 of them are nitrogen, 210 are oxygen, 11 are argon可知正确答案.故答案为A.反馈...
Air is not just one gas. It is a mixture of different gases. Because we can't see the gases in the air, it is difficult to think about them.There are four main gases in the air: oxygen (气), nitrogen (), carbon dioxide (.化碳)and argon().If 1,000 dots can represent the ...
Gases that make up outdoor air: this article provides a table of the components in outdoor air - a list of the various gases found in air by percentage. The table gives the percent of each gas found in typical outdoor air, includes citations of authorita
What rare gases are in the atmosphere? Earth's Atmosphere: Earth's atmosphere surrounds the planet, gradually thinning the farther away from Earth's surface it gets. Commonly called air, there is more in the atmosphere than just oxygen. ...
What gases are in a fluorescent and incandescent bulb? Gas: In physics, the term gas referred to the matter that exists between the plasma and the liquid state. It is one of the four types of matter, and it has the property to occupies all the volume of storage equipment. ...
百度试题 结果1 题目A. Air Is Very Heavy eforthis passage?】 B. What Is Air? C. Many Gases D. The Amount of Air 相关知识点: 试题来源: 解析 B 反馈 收藏
百度试题 结果1 题目智慧职教: Do you know what ___ so much greenhouse gases in the air?相关知识点: 试题来源: 解析 has produced 反馈 收藏
Air pollution is the contamination of air in our atmosphere by harmful gases and particulate matter that is not naturally found in the air. Air pollution is caused by many different sources, including the burning of fossil fuels, vehicle exhaust and industrial processes. ...
What is the main gas found in the air?Gas Mixture:The main property of a gaseous substance is that it has no defined volume. Its particles are separated by a vast distance, so the particles are not bound to each other and are able to move around the full volume of some closed ...