Steppe • 250,000,000 acres • A grassy, shrubby plain • Soil called black-earth • One of the world’s most productive • No trees grow naturally • Bread basket of Russia
Sochi • Occupied since ancient times • Part of the Roman Empire • Destroyed by the Mongols • Became Russian territory in 1829 • Established as a resort under Joseph Stalin • Vladimir Putin has revived the area • 30 Billion spent on olympics
Questions • What is the scientific name of tumble weed? • How do they think tumble weed arrived in America? • What problems do tumble weeds cause? • Are there any benefits of tumble weeds? • How does this illustrate the way human movement impacts the environment?