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