| 451 | What is a supernova? | A powerful stellar explosion |
| 452 | What does ICAO regulate at international level? | International civil aviation standards and cooperation |
| 453 | Which country contains the largest share of the Amazon rainforest? | Brazil |
| 454 | What is the capital of Türkiye? | Ankara |
| 455 | What is La Niña? | A periodic cooling of central and eastern tropical Pacific waters |
| 456 | What is International Mother Language Day observed on? | 21 February |
| 457 | What is the capital of Sudan? | Khartoum |
| 458 | What does UNFCCC stand for? | United Nations Framework Convention on Climate Change |
| 459 | How many founding OPEC members were there in 1960? | Five |
| 460 | What is the target year for the SDGs? | 2030 |