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Вещества с ковалентной полярной и ковалентной неполярной связью являются соответственно
1)кислород и углерод
2)вода и хлороводород
3)сераводород и сера
4)аммиак и хлорид аммония
Помогите пожалуйста
Ответы 1
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Ковалентная полярная и неполярная:3
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Автор:
aaronfzsj - 6 лет назад
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Open the brackets, using the Present Continuous or the Present Perfect Continuous.
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7) „What you (do) ........ here?”
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