What is the total length of the human circulatory system?
How long does it take for the Moon to rotate once on its axis?
How much water does the average person drink per day?
What's the diameter of a basketball?
What's the average speed of a rabbit?
What's the average size of a car parking space?
What's the market cap of Intel?
How much electricity does the average solar panel generate?
How long is the Great Wall of China?
How many bricks are in the Great Wall of China?
What's the average thickness of the Earth's crust?
How much caffeine is in a typical cup of coffee?
At what speed does light travel in a vacuum?
What's the speed of the fastest recorded baseball pitch?
What's the average upload speed of 4G LTE?
What's the average temperature of the surface of the Sun?
What is the population of the United States?
How much does the average bicycle weigh?
What's the average speed of the Mississippi River?
How many gallons of paint are needed to paint the White House?
What's the density of copper (in g/cm³)?
What's the average growth rate of human hair?
What's the average wattage of a household microwave?
What is the market capitalization of Apple Inc.?
What's the average annual budget for a small business in the U.S.?