Which of the following about water vapor is true? 窖 A.Water vapor is a gas. B.Water vapor is always visible. C.Water vapor is not all around us. 答案 A考查绘本的理解。地球上有些水以一种叫做水蒸气的气体存在,这时候我们是看得见它们的。虽然我们总是看不见水蒸气,但它就在我们周围。故选A...
Which one is a form of water vapor that condenses in the air near the ground? A. fog B. wind C. dew D. frost 相关知识点: 试题来源: 解析 A。解析:fog是雾,雾是水汽在靠近地面的空气中凝结的一种形式;wind是风,不是水汽凝结形式;dew是露水,是在物体表面的凝结;frost是霜,是冰晶形式,不是...
百度试题 题目Translocation(迁移, 移动) is the process whereby(为何) water vapor (水蒸气)is expelled from the leaf. A. True B. False 相关知识点: 试题来源: 解析 B.False 反馈 收藏
题目Water turns into vapor when it is heated. This is called ___. A. condensation B. evaporation C. precipitation D. collection 相关知识点: 试题来源: 解析 B。本题考查水循环的环节。选项 A“condensation”是凝结;选项 B“evaporation”是蒸发,水受热变成水蒸气是蒸发过程;选项 C“precipitation”是...
Rain is formed when water vapor in the air ___. A. evaporates B. precipitates C. transpires D. sublimates 相关知识点: 试题来源: 解析 B。解析:当空气中的水蒸气凝结并以液态或固态形式落下时就形成了雨,这个过程叫做降水(precipitates)。A选项evaporates是蒸发,C选项transpires是植物的蒸腾作用,D...
A. Water vapor B. Dust particles C. Rocks D. Gases 相关知识点: 试题来源: 解析 C。解析:岩石不是大气的组成部分。大气由气体、水蒸气和尘埃颗粒等组成。A选项水蒸气是大气组成部分,B选项尘埃颗粒是大气组成部分,D选项气体是大气的主要组成部分。反馈...
1,water vapor in the air condenses when the air is chilled because water molecules move more slowly,thus are more likely to stick together.a)trueb)false2,why does warm moist air form clouds when it rises?a)as air rises it expands and cools...
百度试题 结果1 题目Liquid water changes to vapor, _ is called evaporation. A. which B. that C. what D. this 相关知识点: 试题来源: 解析 A 反馈 收藏
Water Vapor Is The Most Abundant Greenhouse GasNews Staff
1Liquid water changes to vapor,which is called evaporation..谁可以帮我解释下状语,我意思是这个非限定低于从句,在句子里当什么状语? 2 Liquid water changes to vapor,which is called evaporation..谁可以帮我解释下状语, 里非限定定语从句是做状语吧?那他做什么状语? 3Liquid water changes to vapor,which...