ответ: our amazing planet is mysterious and extraordinary. it is full of unique phenomena and mysteries. every day nature pleases us with beautiful sunsets, autumn cobwebs, and a starry sky. someone enjoys the morning dew, others breathe the frosty air while admiring the white canvas of hoarfrost. but often nature amazes and makes admire such phenomena that literally fascinate or, conversely, induce terrible fear.
you can observe various natural phenomena in different places on earth. for example, aurora can be seen in the northern hemisphere. for the first time the northern lights saw the scandinavian peoples, deciding that this is a manifestation of the wrath of the gods. in fact, the aurora has an electrical origin. millions of charged particles collide in air molecules thereby forming a glow. thanks to oxygen, light is reflected in yellow, green, red. blue and purple are formed with nitrogen.
rainbow is the most joyful and amazing phenomenon of nature. a rainbow can be observed immediately after a rain, in the form of reflection of sunlight in water droplets that remain in the air after a rain. the light is refracted and gives us seven colors: red, orange, yellow, green, blue, blue, purple. rainbow is also double.
the inhabitants of the earth very often can observe an amazing cosmic phenomenon - star rain or stargazing. if you look at the sky, we will see a lot of luminous points that fly from top to bottom towards our planet. during the flight, these points, like her small stars, leave behind a trail of luminous stripes. they do not reach the earth, and burn in the atmosphere in the form of a bright flash. in fact, as scientists explain, falling bodies are not stars, they are meteors. meteor rain is formed annually during the collision of the earth with the cosmic flow of meteor particles.
1)While I was coping the exercise, my friends were describing a picture.
2)When we came in, the children were cleaning their desks.
3) We met her at the bus stop. She was waiting for the bus.
4)Some of the children were skiing while other children were skating. Everybody was having a lot of fun.
5)When we came the family was getting everything ready for Christmas. Bob and Helen were decorating the Christmas tree.
6) The girls were feeding the birds in the garden while the boys were making a bird-house.
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