[Answer] 10. 'Grease', 'Phenomenon', 'Look Who's Talking'.

Step 1 : Introduction to the question "10. 'Grease', 'Phenomenon', 'Look Who's Talking'."

...1. Olivia Newton-John 2. John Travolta 3. Robert Duvall 4. Kirstie Alley

[Ans] What naturally occurring phenomenon generates heat equal to five times the surface of the sun?

Step 1 : Introduction to the question "What naturally occurring phenomenon generates heat equal to five times the surface of the sun?"

At the core of the sun, gravitational attraction produces immense pressure and temperature, which can reach more than 27 million degrees Fahrenheit (15 million degrees Celsius). Hydrogen atoms get compressed and fuse together, creating helium. This process is called nuclear fusion.