What are the major geographical features of Earth?.

Earth's major geographical features include mountains, rivers, deserts, and plains. These landforms influence climate, ecosystems, and human settlement. For example, the Himalayas are the highest mountain range, while the Amazon River is one of the longest rivers in the world. Deserts like the Sahara represent extreme dry climates, affecting biodiversity. Plains, such as the Great Plains in North America, are essential for agriculture and habitation.