In 1850, only 8% of the people in California were women.
0
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
The Atlantic Ocean is saltier than the Pacific Ocean.
54
Australia's Great Barrier Reef is 1,250 miles long!
45
More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
17
There are approximately three chickens for every human on Earth.
13