30. Answer the questions about Canada, Australia and New Zealand. 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?

To properly answer these questions, I need more specific information about which country (Canada, Australia, or New Zealand) each question refers to. However, I can provide general answers based on the text provided for New Zealand and common knowledge for the other countries.

1. Where is the country situated?
   • New Zealand: The text doesn't specify the exact location, but it mentions it's part of the Polynesian Islands.
   • Canada: North America.
   • Australia: The continent of Australia.
2. What is the size of the country? I cannot answer this question without knowing the size of the country.
3. What are its main cities? What is the capital of the country?
   • New Zealand: Auckland is the largest city, and Wellington is the capital.
   • Canada: Main cities include Toronto, Montreal, and Vancouver. The capital is Ottawa.
   • Australia: Main cities include Sydney, Melbourne, and Brisbane. The capital is Canberra.
4. Where is the majority of the population concentrated? I cannot answer this question, because the text doesn't mention the majority of the population concentration.
5. What is the most important sphere of economy of the country?
   • New Zealand: Agricultural activities.
6. Is the country rich in natural resources? What are they? I cannot answer this question without more information.
7. Who is formally recognized as Head of State in Canada?
   • Canada: The Queen (mentioned as Queen Elizabeth II).
8. What is the official language of the country?
   • New Zealand: English.