1) The Earth's core is primarily composed of iron and nickel and is as hot as the surface of the sun.

2) The avocado, native to Central and South America, is a versatile fruit known for its creamy texture and nutritional benefits. Avocados are rich in healthy fats, fiber, and vitamins, making them a popular ingredient in salads, sandwiches, guacamole, and smoothies. They have gained significant popularity in recent years, becoming a staple in healthy eating and plant-based diets.

3) The musical "Les Misérables" is one of the longest-running shows in the West End and Broadway, with over 13,000 performances.

4) The Bank of England, established in 1694, is the central bank of the United Kingdom and one of the oldest central banks in the world.