The issue of safety in the classroom is rarely considered at such a foundational level. Considering that a participant on a playground can break a leg, or worse, safety occupies a central role in a designerâs thinking.
The Amazon basin is the largest drainage basin in the world, about 7,050,000 square kilometres (2,720,000 sq mi), and accounts for approximately one-fifth of the world's total river flow.he Amazon River and its tributaries are characterized by extensive forested areas that become flooded every rainy season. Every year, the river rises more than 9 metres (30 ft), flooding the surrounding forests, known as varzea (vÃ¡rzea flooded). forests
Topography of the Amazon River Basin. The Amazon River, usually abbreviated to Amazon (US: /ËÃ¦mÉzÉn/ or UK: /ËÃ¦mÉzÉn/; Spanish and Portuguese: Amazonas), in South America is the largest river by discharge volume of water in the world and according to some authors, the longest in length.