Here are some common facts and figures that may be useful to have at your fingertips:
- World population: Approximately 7.9 billion (2021 estimate)
- Distance from the earth to the sun: Approximately 93 million miles
- Number of states in the USA: 50
- Capital of the USA: Washington, D.C.
- Most common element in the Earth’s crust: Oxygen
- The speed of light in a vacuum: 299,792,458 meters per second
- National debt of the USA: Approximately 28 trillion USD (2021)
- Periodic table elements: 118 elements are currently known and recognized
- World’s largest ocean: The Pacific Ocean
- World’s highest mountain: Mount Everest, located in the Himalayas and standing at 29,032 feet (8,848 meters) above sea level.
- Length of a year on Earth: 365.25 days (366 days in a leap year)
- Current US President: Joe Biden (as of 2021)
