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