Worldwide water use
On average, how much water is used worldwide each day?
About 400 billion gallons.
More Nature Facts
What is the softest of all minerals?
Talc is the softest of minerals. It is commonly used to make talcum powder.
How many lightning strikes occur worldwide every second?
On average, about 100. Those are just the ones that hit the ground, though. During any given minute, there are more than a thousand thunderstorms around the Earth causing some 6,000 flashes of lightning. A lot of it goes from cloud-to-cloud.
What is the origin of the word "volcano"?
It derives from Vulcan, the Roman god of fire.