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