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1. we know all the rocks…
2. the geological investigations to be carried out…
3. the science of geology can explain…
4. many questions remain completely unsolved…
5. to have any deposition…
a. … there must exist a source of sediments.
b. … the mode of occurrence of ore deposits.
c. … and there are many questions to be posed.
d. … include field prospecting and exploration.
e. … to be penetrated by cracks and fissures

My name is Ksusha and I`m a student of lyceum 37 in Saratov. I like my school very much and that`s why I`d like to tell you about it. For some students school is a boring place, but as for me it is an attractive place and I`m quite happy at my school. The standard of education in my school is very high. We study various subjects and our lessons are usually interesting and exiting. I`m absolutely sure that a teacher plays an important role in our education. I think that I`m lucky because all my teachers are very experienced and knowledgeable. Most of my teachers understand the difficulties of learning process very well. Theyhelp us to learn and advise us on all aspects of our life. They share their knowledge and experience with us and we respond with love. They support us and take care of us. That`s why I`m happy at school and so are my classmates.

In art museums, you can find different collections, documentation of the history of the development of art. The main objective of these museums is the aesthetic satisfaction of human needs. In Russia in the 90s there were about 350 of such museums. The main subgroups allocate the national museums and international art, fine art (without an explicit national tendencies), architecture, museums, sculptures and applied art (decorative art), memorial museums.

To celebrate the arts and historical information, as well as about national and foreign writers and their works you will be able in museums literary profile. In the last decade of the last century in the Russian Federation there were about 150. In the famous Literary Museum in Moscow, You can find the largest in the territory of our country a collection of works on the history of foreign and Russian literature – more than 650 thousand books, both handwritten and printed, archives, foundations of the famous creators of the national literature, photographs, memorabilia and memorabilia, audio recordings and videos. In addition, the Museum has 10 branches.

If you need to, learn the history of musical works, then you have to visit the Museum of musical art. This group has United as museums music history and music culture. Often you can find memorials of famous composers. The largest on the territory of the Russian Federation is the Central Museum of musical culture. M. I. Glinka located in Moscow. There are about 770 thousand works to the main Fund and 2 million in additional science Foundation. Here are the archives of composers, some manuscripts, costumes and scenery, music. tools, audio recordings and notes. Also, you are 5 branches of this Museum.

Theatre lovers will have access to a branch museums – museums of theatre arts. Besides the main task, the documentation of the history of the theatre, this profile is divided into subgroups. Some of them are devoted to the national theatre, other foreign; there are theaters that collects information about the history of this art form around the world. On the territory of the RSFSR such museums were more than sixty, and also created the international centre for coordinating the activities of this branch – Association of theater in museums and libraries. Under her early developed a Handbook entitled "Theatrical collections of the world."

Thus, we examined which features museums, on what principle are they divided into groups and subgroups and the art direction is key in any Museum. We hope our article was accessible and informative, and You could learn a lot.