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какое соединение является связанной ковалентной связью? A) K2O B) KCl C) Cl2 O D) K2S
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Предмет:
Химия -
Автор:
docmaldonado - 5 лет назад
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Ответы 2
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Правильный ответ с) СI2O
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Автор:
donutkjhx - 5 лет назад
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0
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ковалентная это связь только из неметаллов следовательно cl2
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Автор:
aurelianojjzq - 5 лет назад
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0
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Сумма двух углов,которые получаются при пересечении двух прямых,равна 50.Найдите эти углы. Если можете объясните-
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Перевод текста и ответь на вопрос.
Nadezhda Andreevna Boyko who had taken part in the Great Patriotic War as a medical nurse and who had saved many Soviet soldiers during the most severe battles near Novorossiysk, was awarded the medal of Florence Nightingale by the International Organization of Red Gross.
Do you know who Florence Nightingale was? One hundred years ago the first professional School for nurses was founded at one of the hospitals in London by a young English woman Florence Nightingale. She was born on May 12, 1820, in the Italian city of Florence after which she was named. She was one of the greatest women in the history of England.
In 1854 Miss Nightingale and 38 other nurses went to the Crimea to help in the care of the sick and wounded British soldiers during the Crimean War. Miss Nightingale never gave an injection, never took blood pressure or made an electrocardiogram, but she did her best establishing a more reasonable and hopeful way of handling all kinds of illnesses. This way of handling has been used up to now. She was the first to establish the nursing profession.
Ответьте на вопросы к тесту:
1. Why was N.A. Boyko awarded the medal of Florence Nightingale?
2. What International Organization awarded her this medal?
3. What did Florence Nightingale and her nurses do during the war in the Crimea?
4. Why has the name of Florence Nightingale become widely known?-
Предмет:
Английский язык -
Автор:
simeonbranch - 5 лет назад
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Ответов:
1 -
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Как называется водоросль имеющая спиралевидный хроматофор
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Предмет:
Биология -
Автор:
chivasfranklin - 5 лет назад
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Ответов:
2 -
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Дана трапеция
ABCD , диагонали которой пересекаются в точкеО.
Найдите периметр треугольника ADO , еслиOC = 5,
BO = 3 , основанияBC = 6 ,
AD = 9,6 .
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