Through what country do the Tigris and Euphrates rivers flow and unite?

Iraq?

What is the name of the Spanish Islands off the coast of Africa?

Canary Islands?

What is the name of the only major island in the Mediterranean sea not claimed by another country?

Cyprus?

Are these answers correct?

The first and second are correct. However, part of Cyprus is claimed by Turkey. How about Malta?

Yes, the answers you provided are correct.

To find the answer to the first question, "Through what country do the Tigris and Euphrates rivers flow and unite?", you can refer to a map or search for the Tigris and Euphrates rivers. By doing so, you would find that these rivers flow through Iraq and unite near the city of Qurna in southern Iraq.

For the second question, "What is the name of the Spanish Islands off the coast of Africa?", you can either have prior knowledge or perform a search. The answer is the Canary Islands, which are an archipelago located in the Atlantic Ocean, off the northwest coast of Africa and belonging to Spain.

To answer the third question, "What is the name of the only major island in the Mediterranean sea not claimed by another country?", you need to consider the different countries surrounding the Mediterranean Sea and their territorial claims. By doing so, you can determine that Cyprus is the correct answer. Cyprus is an island country situated in the Eastern Mediterranean and is not claimed by any other country.