Ссором по 7 класс 4 четверть 1 сор​

recently the climate on the earth has changed greatly. some scientists think the world is becomming hotter. they predict that the temperature on the planet is expected to rise by 1,2-2 degrees by the end of the century. the climatic changes will lead to local emergencies in many regions. for example, the melting of ice will cause floods and some areas will be covered with water. besides, rising temperatures will bring droughts in some regions that could be a catastrophe.

many people say that it is so because of the greenhouse effect. it works like this: sunlight gives us heat. some of the heat warms the atmosphere, and some of the heat goes back into space. nowadays the air surrounding the earth has become much warmer because the heat can't go back into space. carbon dioxide in the atmosphere works like glass in a greenhouse and doesn't let much heat get out. so the atmosphere becomes warmer.

dear karen,

thanks for your letter of 10th january.i*m really happy to become your new pen friend.

ferst of all i*m   really sorry i haven*t written back sooner but i*ve   been buzy.i had to stady for my exams.they were very hard and i didn*t   have time for anything.fortunately, i passed all of them and now i*m having my winter break.

i*d like to hear more about your work,what music you like,what you do in your free time and anything else you think i should know about you.

as for me,i come from a small familly.there are thre of us: my mum,my dad and me.my parents live in the country.they are retired.i live in the centre of london in a flat.

anyway ,i*d love to be in touch with you and i can*t wait to hear from you again.

lots of love

mary

nick has a cathis cat is big and fatcan a pig swim?   ann's pig is not greytim has seven red pens