There are a lot of other gases in the air.Water vapor (水蒸气) and hydrogen (氢) are two examples,but there are only very,very small amounts of them.(1)What is air? ___A.Air is just one gas.B.Air is just two or three kinds of gases.C.Air is a mixture of many different...
Water can exist in three states: solid, liquid, and gas. What is the solid state of water called? A. Water vapor B. Ice C. Steam D. Mist 相关知识点: 试题来源: 解析 B。解析:The solid state of water is called ice. Water vapor is the gaseous state. Steam is also a gaseous ...
But most of the time you can’t see the water. 1.___They have* turned into a gas called water vapor.. As the water vapor goes higher in the sky, the air gets cooler. The cooler air causes the water droplets to start to stick to things like bits of ice. What are some kinds...
C. There are also many kinds of gases in the air, including water vapor and hydrogen. D. There are only six kinds of gases. (3). What is air? A. Air is just one gas. B. Air is just two or three kinds of gases. C. Air is a mixture of many different kinds of gases...
形成 Small drops of water turn into a gas called water vapor. 的名字 As the water vapor 1___in the sky, the air gets cooler. The cooler air finally causes the small water drops to form clouds. Clouds' 2___ High clouds, middle clouds and low clouds get their names from their 3__...
Water can exist in three states: solid, liquid and gas. What is an example of water in a solid state? A. Water vapor. B. Ice. C. Rain. D. River water. 相关知识点: 试题来源: 解析 B。冰是水的固态形式;A 选项水蒸气是气态;C 选项雨是液态;D 选项河水是液态。
C A. Air is just one gas. B. Air is just two or three kinds of gases. C. Air is a mixture of many different kinds of gases. D. Air is mainly water vapor.(2 ) Which of the following bar chart shows the main components (组成成分) of the air? A A. B.Argon Argon What is ...
Water on Earth is always changing. Its repeating changes make a cycle. As water goes through its cycle, it can be a solid (ice), a liquid (water), or a gas (water vapor). Ice can change to become water or water vapor. Water can change to become ice or water vapor. ...
Some industries discharge a large amount of waste gas. What kind of waste gas is often produced by chemical industries? A. Oxygen B. Carbon dioxide and some harmful chemicals C. Nitrogen D. Pure water vapor 相关知识点: 试题来源:
They have turned into a gas called water vapor. As the water vapor goes higher in the sky, the air goes cooler. The cooler air causes the water droplets (微滴) to start to stick to things such as bits of dust, ice or sea salt. Clouds get their names in two ways. One way is ...