What happens to the air pressure as the altitude increases? A. It increases. B. It stays the same. C. It decreases. D. It first increases then decreases. 相关知识点: 试题来源: 解析 C。解析:随着海拔高度增加,气压会降低。因为随着高度升高,上方空气柱的重量减小。A选项气压是降低而非增加,B...
· a part of a surface that is lower than the parts around it · 洼地;凹地;坑 SYN hollow : Rainwater collects in shallow depressions on the ground. 雨水积在地上的浅坑里。 5. [C] (technical 术语)· a weather condition in which the pressure of the air becomes lower, often causin...
Air Pressure Proving Experiment C. Experiment to Prove Air Pressure D. Proving Air Pressure E. xperiment 相关知识点: 试题来源: 解析 C。本题考查对“证明空气有压力的实验”这一表述的正确英语。选项 A 表述不太符合习惯;选项 B 语序不太恰当;选项 D 同样不符合常见表述,选项 C 是正确的。
The vapor pressure of water at that temperature is 24 mmHg. If the atmospheric pressure is 800 mmHg, then what is the pressure of the dry gas you collected? What is the pressure of 874 in Hg when expressed in units of p...
What is the pressure of the gas in a manometer if the height in between is {eq}71 \ mm {/eq} and the atmospheric pressure is {eq}761 \ mmHg {/eq}? Pressure: This is a quantity that has the units are mm Hg, Pascal?s, Bar...
What is air pressure?
《中国铁路上海局集团有限公司关于重新公布〈安全风险问题典库〉的通知》（上铁安监〔2024〕248号 ）规定：对检查问题未对标、错误引用《典库》条款、问题描述不清、考核对象不准确、随意升降级考核等情况，要及时予以纠正，并不得纳入检查量化任务统计，性质严重的给予履职问责。
20 What causes the air pressure in the lungs to decrease during breathing in? A A contraction of the external intercostal muscles and diaphragm B expansion of the lungs causing a decrease in the volume of the alveoli C outward movement of the ribs and upward movement of the diaphragm D highe...
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(3分) A. The rotation of the earth B. Differential heating in the atmosphere C. Friction between the atmosphere and with the surface of the earth D. Air pressure differencesAir pressure differences相关知识点: 试题来源: 解析 Air pressure differences ...