Углеводород, являющийся гомологом бензола, содержит в своем составе 9,43 мас.% водорода. Какой это углеводород? Есть ли у него изомеры?

Если понравиться, пиши - All books about London usually starts with the same phrase: «The capital of Great Britain is London». Of course, it is true. This fact knows practically everybody. But there are also so many other interesting and marvellous information about London. For me London is a dream city, a city which I want to visit one day.
Obviously, London is a great place to see. The first world underground was built in London. London subway is famous all over the world. I want to have a look on it. With the help of London subway you will have a chance to know London.

London is the capital of Great Britain. It is the one of the most interesting and largest cities in the world. There are a lot of museums, theaters, parks and another beautiful and interesting places. This city the main political, economic and cultural centre of great Britain. The City is the oldest part of London, its financial and business centre. There are many offices, companies and banks in this part of the capital. The heart of the City is the Stock Exchange. The Tower of London and St Paul’s Cathedral are situated in the City.