Сравните понятие простое вещество и сложное вещество.Найдите сходства и различие

Составить слова из следующих сокращений:стр,бр,здр,встр,др,кл,вр,мн,гн.

ребят помогите пжл:(завтро спрашивать будут а я не понимаю это:(

задание:use the new words and complete the sentences.

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chain,islands,lies,large(2),largest,flows,parts,stretching,lily-of-the-valley,deep,deepest,coast,plains.

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1)The ... is a beautiful spring flower.

2)There are a lot of... in the Pacific Ocean.

3)The Baikal is the ... lake in the world.

4)Masha spent her holidays on the Black Sea ...

5)Moscow is a very ... city.

6)The Mississippi is a ... river, it is the ... river in the USA.

7)The Mississippi ...south.

8)The Urals is a famous ... of mountains.

9)Is the Volga a ... river.

10)There are four ... in Great Britan.They are England,Wales,Scotland and Northern Ireland.

11)Are there any ... in Europe?

12)Washington, D.C. ... on the Potomac River.

13)The forest was ... to the east.

сочинение на тему: "Как я отношусь к русскому языку"