Passage
Fill in the blanks with the appropriate options for the given subquestions. (1) ________, the sun is a huge ball of gases. (2) ________, it has a diameter of 1.3927 million kms. It is incomprehensibly massive, and, (3) ________, it can hold millions of planets inside it. The Sun is mainly made up of hydrogen and helium gas. The surface of the Sun is known as the photosphere. (4) ________, the photosphere is surrounded by a thin layer of gas known as the chromosphere. Without the Sun, there would be no life on Earth. There would be no plants, no animals and no human beings. (5) ________, all the living things on Earth get their energy from the Sun for their survival.