Преобразовать в вопросительные предложения: yes…

Is the sun the centre of solar system? Will you be able to see land, oceans,continents? How many oceans and continents are on Earth? Do oceans and seas wash them and separate them from each other? what is the largest country in the world? where are China, India, Kazahstan and others? What is the capital of Great Britain? What countries have national flag, anthem and its own traditions and customs?