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Raindrops can fall at speeds of 22 miles (35 kilometers) per hour. Scientists can use technology called cloud seeding to create rainstorms or make them less severe. Learn more in Precipitation, one of the titles in the Earth's Water series.

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At 3, 212 feet (979 meters), Venezuela's Angel Falls is the tallest waterfall in the world. Brazil grows more coffee then anywhere else in the world. Learn more in South America, one of the titles in The Seven Continents series.

Bamboo can grow up to 130 feet (40 meters) tall. An olive tree can live for more than 3, 000 years. Learn more in Producers.

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Deciduous forests have trees that lose their leaves in autumn and winter. In both Europe and North America, less than 1 percent of original growth deciduous forest remains in an undisturbed state. Learn more in Deciduous Forests.