Biomes, Ecological Cycles, and Environmental Milestones

What percentage of Earth’s surface is tropical rain forest?

Rain forests account for approximately seven percent of Earth’s surface, or about 3 million square miles (7.7 million square kilometers).


This is a web preview of the "The Handy Science Answer Book" app. Many features only work on your mobile device. If you like what you see, we hope you will consider buying. Get the App