Geography
How deep is the ice in Greenland
2 miles deep
What year was the Constitution established?
1787
What is the biggest operating passenger airplane
Airbus A380
how fast is the speed of sound
761 mph
how many miles away is England from us
4000 miles
what is the airport in Springfield named?
Hartness State airport
How fast do the bullet trains in France and sometimes England go?
357.2 mph
how many planes are in the air right now
4 million
How many hours ahead of us in Australia
15 hours ahead