Why is there lightning? A. Because the clouds are angry. B. Because electricity builds up in the clouds and discharges. C. Because the sun is hot. D. Because the wind is strong. 相关知识点: 试题来源: 解析 B。解析:闪电是因为云中积累了电荷然后放电形成的。A 选项没有科学依据;C 选项...
Lightning can strike inside the cloud, between two clouds or between a cloud and the Earth. It's the last kind of strike that is the most dangerous for humans. Lightning can be very dangerous. Every year, lightning kills people because it can start big fires or because ...
But if the lightning is there, why can’t we see it H. M: Because it sometimes occurs very high in the clouds. I. W: I wonder if it’ s possible to see the lightning and not to hear the thunder. J. M: Yes. It’ s possible if the lightning flashes far enough away. Sound...
Don’t ignore that sound, because where there is thunder there is lightning, and lightning can kill or maim in ways you would least expect it. That includes when you are in the shower, tub or even washing dishes. 不要忽略这一声音,因为雷声都伴随着闪电,而闪电会以最意想不到的方式杀人或致...
No, of course not. There is no specific pattern or path that water takes to come down. The same thing is true in the case of lightning. Air is made up of many things, including certain gases, dust particles, pollutants, and other substances. However, this mixture is not homo...
1. On rainy days, why do we see lightning first, then hear___? 2. During the___ season, it often rains. 3. Music is___ of my life. I fell in love with it at the age of 12. 4. To understand an article, it's necessary to read___ and understand the writer's feeling....
So, there you go – that's what a cloud is, and how it creates rain.所以这就是云和雨的形成过程。But what causes the air to cool in the first place?但首先，是什么原因导致空气变冷的呢？We mentioned earlier, that cooling the air reduces its ability to hold water, and triggers the ...
Answer to: Explain the phenomenon of lightning by electrostatic induction. Why is it dangerous to hold sharp metal object while lightning is...
3) it shall be at the leeward side of the year-round prevailing wind direction, with safety measures against fire, water, dust, lightning, etc., to be considered. 4) there must be a natural river within one kilometer. 5) state-of-the-art features will mitigate the dark smoke emitted ...
Of course, it’s more likely that you’ll keep those old Lightning cords in a bag or in your drawer. Apple does say you can recycle your old cords at its stores, and there are plenty of recycling options. But one thing is becoming increasingly clear: Apple doesn’t like ports on its...