1. two new engineers just were introduced to the head of the department.2. i am sure i will be asked at the lesson tomorrow.3. they told me that the new student was spoken much about.4. he said that the grandmother's letter was received the day before.5. this new dictionary was sold everywhere now.6. all the texts were looked through yesterday and a single mistake was found.
Ответ дал: Гость
lets travel to magic country! (ну или можешь придумать и написать своё название волшебной страны)it is old and big.it has got many states.слово carital ты по ходу неправильно написал я такого не знаю прости.on a flag of country you can see a big and small stars.this symbol is stands for courage and bravery of this country.there are a lot interested places: magical river,hil of lion and mountin of pegas.in this country you can try new food: strawberry-watermelon,peach-plum and apple-orange! this country is !
Ответ дал: Гость
1 as soon as we were included into shop, i have noticed a blue blouse of which dreamt.
2 i told to brothers that to me have occurred.
3 they have asked me to remember still any history.
Ответ дал: Гость
chemical pollution of atmosphere.the person pollutes atmosphere in the millenia, however consequences of the use of fire which it used all this period, were insignificant. it was necessary to be reconciled by that the smoke disturbed to breath and that soot laid down a black cover on a ceiling and walls of dwelling. received heat for the person was more important, than pure air and incomplete walls of a cave. this initial air pollution did not represent a problem for people lived then small groups, occupying unreasonably extensive untouched environment. and even the considerable concentration of people in rather small territory as it was in a classical antiquity, was not accompanied still by serious consequences.so was up to the beginning of the nineteenth century. only for last hundred years development of the industry "has presented" us with such productions which consequence in the beginning the person could not present itself yet. there were the cities-millionaires which growth it is impossible to stop. all is result of great inventions and gains of the person.the basic polluting substances.basically there are three basic sources of pollution of atmosphere: the industry, household boiler-houses, transport. the share of each of these sources in general, air pollution strongly differs depending on a place. now that most strongly pollutes air industrial production. sources of pollution - thermal power stations which together with a smoke throw out sulphurous and carbonic gas in air; the metallurgical enterprises, especially nonferrous metallurgy which throw out in air оксиды nitrogen, hydrogen sulphide, chlorine, fluorine, ammonia, connections of phosphorus, a particle and connection of mercury and arsenic; chemical and cement works. harmful gases get to air as a result of burning of fuel for needs of the industry, heating of dwellings, work of transport, burning and processing household and industrial wastes.
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