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