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Bookmark or Share- The United States Government’s Relationship with Native AmericansThe history of relations between Native Americans and the federal government of the United States has been fraught. To many Native Americans, the history of European settlement has been a history of wary welcoming, followed by opposition, defeat, near-extinction, and, now, a renaissance.
- Rainforest - Education | National Geographic SocietyA rainforest is an area of tall, mostly evergreen trees that receives a high amount of rainfall.Rainforests are likely Earth’s oldest living ecosystems, with some surviving in their present form for at least 60 million years.They are incredibly diverse and complex, with more than half of the world’s plant and animal species calling rainforests their home—even though they cover just two ...
- Hydrologic Cycle - National Geographic SocietyThe water cycle describes how water is exchanged (cycled) through Earth's land, ocean, and atmosphere. Water always exists in all three phases, and in many forms—as lakes and rivers, glaciers and ice sheets, oceans and seas, underground aquifers, and vapor in the air and clouds. Evaporation, Condensation, and Precipitation. The water cycle consists of three major processes: evaporation ...
- Rainforests, Explained - National Geographic SocietyFound on every continent except Antarctica, rainforests are ecosystems filled with mostly trees that typically receive high amounts of rainfall. Tropical rainforests are found near the equator, with high average temperatures and humidity, while temperate rainforests lie mostly in coastal, mountainous areas within the midlatitudes. A rainforest is typically made up of four key layers: emergent ...
- The Roles of State and Federal Governments - EducationThe United States is a constitution-based federal system, meaning power is distributed between a national (federal) government and local (state) governments. Although the Supremacy Clause states that the Constitution, federal laws, and treaties are the “supreme law of the land,” according to the Supreme Court, it is clear that the Constitution created a federal government of limited powers.
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