30. Answer the questions about Australia 1. Where is the country situated?
2. What is the size of the country?
3. What are its main cities? What is the capital of the country?
4. Where is the majority of the population concentrated?
5. What is the most important sphere of economy of the country?
6. Is the country rich in natural resources? What are they?
7. Who is formally recognized as Head of State in Canada?
8. What is the official language of the country?

Australia is a fascinating and unique country, both in terms of its geography and its economic and political structure. Let's delve into the details of your questions:

1. Geographical Location of Australia: Australia is located in the Southern Hemisphere, comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands. It is the world's sixth-largest country by total area. It is surrounded by the Indian and Pacific Oceans, with neighboring countries including Indonesia, East Timor, Papua New Guinea, the Solomon Islands, Vanuatu, and New Zealand.

2. Size of Australia: Australia is vast, covering an area of approximately 7.692 million square kilometers. This makes it the world's smallest continent but the sixth-largest country.

3. Main Cities and Capital: Australia has several major cities, each with its unique character and significance. The most notable ones include Sydney and Melbourne, which are often mistaken for the capital due to their international prominence. However, the capital of Australia is Canberra, which is located in the Australian Capital Territory. Other significant cities include Brisbane, Perth, and Adelaide.

4. Population Concentration: The majority of Australia's population is concentrated along the eastern and southeastern coasts. The corridor from Brisbane to Melbourne, encompassing Sydney, contains the densest population. This is largely due to the more favorable climate and better economic opportunities in these areas compared to the arid and remote interior.

5. Economic Sphere: Australia's economy is diverse and highly developed. It is dominated by its service sector, accounting for about 70% of the GDP. However, the mining and agriculture sectors are also significant, contributing to the country's exports. Australia is particularly known for its export of wool, meat, and wheat. It also has a strong education and tourism industry.

6. Natural Resources: Yes, Australia is rich in natural resources. It is a major exporter of natural resources, such as bauxite, coal, iron ore, copper, tin, gold, silver, uranium, nickel, tungsten, rare earth elements, mineral sands, lead, zinc, diamonds, natural gas, and petroleum. The mining sector represents a significant part of the Australian economy.

7. Head of State in Canada: This part of the question seems to be about Canada, not Australia. In Canada, the Head of State is the monarch, who is currently the same person as the monarch of the United Kingdom and other Commonwealth realms. The role is mostly ceremonial in Canada.

8. Official Language: The official language of Australia is English. It is the primary language used in government, business, and education. While English is dominant, Australia is also home to a diverse population that speaks a wide variety of languages, reflecting its multicultural society.

Australia's blend of natural beauty, diverse cultures, and dynamic economy makes it a unique and fascinating country.