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At what speed does light travel in a vacuum?

What's the density of copper (in g/cm³)?

What's the market cap of Intel?

What's the speed of the fastest recorded baseball pitch?

How much electricity does the average solar panel generate?

What's the average temperature of the surface of the Sun?

What's the average annual budget for a small business in the U.S.?

What's the average size of a car parking space?

What's the average wattage of a household microwave?

What's the average upload speed of 4G LTE?

How much caffeine is in a typical cup of coffee?

How long does it take for the Moon to rotate once on its axis?

What is the population of the United States?

What's the average thickness of the Earth's crust?

How much water does the average person drink per day?

How many bricks are in the Great Wall of China?

What's the average speed of a rabbit?

What is the market capitalization of Apple Inc.?

What is the total length of the human circulatory system?

How long is the Great Wall of China?

What's the diameter of a basketball?

How much does the average bicycle weigh?

What's the average growth rate of human hair?

What's the average speed of the Mississippi River?

How many gallons of paint are needed to paint the White House?