21..[FONT=Arial, Helvetica, sans-serif]A 1960 Chilean earthquake was the strongest earthquake in recent times, which occurred off the coast, had a magnitude of 9.6 and broke a fault more than 1000 miles (1600 kilometers) long.
22.[/FONT][FONT=Arial, Helvetica, sans-serif]Only 3% water of the earth is fresh, rest 97% salted. Of that 3%, over 2% is frozen in ice sheets and glaciers. Means less than 1% fresh water is found in lakes, rivers and underground.
23.[/FONT][FONT=Arial, Helvetica, sans-serif]The gravity on Mars is 38% of that found on Earth. So a 100 pounds person on Earth would weigh 38 pounds on Mars.
24.[/FONT][FONT=Arial, Helvetica, sans-serif]The Antarctic ice sheet is 3-4 km thick, covers 13 million sq km and has temperatures as low as -70 degrees centigrade.
25.[/FONT][FONT=Arial, Helvetica, sans-serif]The hottest planet in the solar system is Venus, with an estimated surface temperature of 864 F (462 C).
26.[/FONT][FONT=Arial, Helvetica, sans-serif]The water that falls on a single acre of land during one inch of rainfall, it would weigh 113 tons that is 226,000 pounds.
27.[/FONT][FONT=Arial, Helvetica, sans-serif]The deepest hole ever made by humans is in Kola Peninsula in Russia, was completed in 1989, creating a hole 12,262 meters (7.6 miles) deep.
28.[/FONT][FONT=Arial, Helvetica, sans-serif]The lowest dry point on earth is the Dead Sea in the Middle East is about 1300 feet (400 meters) below sea level.
29.[/FONT][FONT=Arial, Helvetica, sans-serif]Antarctica is the highest, driest, and coldest continent on Earth.
30.[/FONT][FONT=Arial, Helvetica, sans-serif]The largest recorded snowflake was 15in wide and 8in thick. It fell in Montana in 1887.[/FONT]