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