The sinking air traps the warm air, which prevents evaporative cooling and causes the trapped air to get hotter. Heat waves can be particularly dangerous - 175 to 200 Americans die from heat in an average summer. Air pollution plays a significant role in the deadly nature of heat waves. Sci...
What natural phenomenon causes the temperature to drop sharply? A. Heat wave B. Cold front C. Drought D. Hailstorm 相关知识点: 试题来源: 解析 B。“Cold front”冷锋会导致气温急剧下降;“Heat wave”是热浪;“Drought”是干旱;“Hailstorm”是雹暴。
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A heat dome occurs when hot ocean air is trapped over a large area. High atmospheric pressure over the region pushes air down, causing it to heat up as it is compressed. This action causes the formation of a “lid” or “cap” that seals heat in the area and traps heat in the dome...
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What causes heat waves to occur? How are secondary waves formed? What is the principle of superposition? When a crest of one wave and a trough of another wave collide, what type of interference will occur? Rarefaction occurs only in what type of wave?
9.Whatcausesthepopularityofblue-light-blocking glasses? A.Evidenceoftheirbenefitstoeyes. B.Beliefinbluelight?sharmfuleffect. C.Widespreaduseofsmartdevices. D.Scientificunderstandingofbluelight. 10.WhatcanbeinferredfromParagraph4? A.Bluelightexposureishardlyavoidable. B.Eyeproblemsarenoteasytodealwith. C...
Nicotine withdrawal also causes excess perspiration, but if you can sweat it out long enough to kick the habit, you'll lower your odds of getting cancer,emphysema, and dozens of other diseases. 12/14 Medicine Side Effect Though they're meant to make us feel better, some medications can cau...
Cut down.C.Add to.A. Carry away.34. For what purpose does Hasso sugget naming heat waves?B. To get prepared for the potential threats.A. To deepen knowledge of heat waves.D. To describe how much severe a heat wave is.C. To further explore the causes of heat waves.35. What is ...