If so, ask yourself this: how do clouds stay up in the air? It’s a good question, and here’s why. Clouds are made of water droplets(小水滴) and ice crystals(结晶体). Together, these droplets and crystals weigh many tons. So if the typical cloud actually weighs as much as an el...
We need air to survive(生存).How do they stay there? And when we breathe it,They ride on air. It keeps us alive.(CC)16. What does the underlined word“They” refer to(指的是)? A. Wind and air. B. Smell and taste. C. A kite and a plane. D. Wind and clouds.A(A) 17. ...
The warmer the air gets, the quicker the wind moves. And when the wind moves faster than 30metres a second, a typhoon begins.A typhoon has three parts The central part is called the "eye". In the eye, the wind does not move so fast. Around the "eye" is the wall of clouds. ...
Iceland. Heading away from light pollution will maximize your chances of a glimpse, although the brightest aurora can still be seen from cities and even through thin clouds. It’s also worth noting that a full moon can significantly brighten the sky, making it more difficult to enjoy the ...
Air has no smell.Air has no taste,But when the wind blows,You feel it on your face.Look at a kite,Or a plane in the air.How do they stay there?They ride on air.How does a balloonRise in the air,And lift people up?It uses hot air.We need air to breathe,We need air to ...
The talent that is needed to do all this well is in short supply globally. It’s why many enterprises choose to work with a partner. In fact, according to Accenture research, it’s the top reason enterprises consider third party managed services.5 Doing so helps a business stay current wi...
Air has no smell.Air has no taste,But when the wind blows,You feel it on your face.Look at a kite,Or a plane in the air.How do they stay there?They ride on air.How does a balloonRise in the air,And lift people up?It uses hot air.We need air to breathe,We need air to ...
The Flip3’s slim design slides into your pocket, making it easy to take to the beach or park for a fun outdoor snap. View and edit on your devices Before posting on social media, we all love to do some post-editing to get rid of those pesky clouds or to give ourselves an ...
These bones fit together in one of two configurations: ornithischian (bird-hipped) or saurischian (lizard-hipped). They had an upright gait. Dinosaurs held their bodies over their legs like rhinoceroses do, rather than using the sprawling gait that crocodiles do. Non-dinosaur Prehistoric Animals...
D. the things cat owners need to do (B) Victor’s project As part of my history project on transport, I did some short interviews with people in my neighborhood. My first interview was with my friend Susan’s grandmother, Mrs...