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