Решение:
- 1. Population / Area / Capital / River (River is a geographical feature, while the others are related to demographics and administrative divisions of a country.)
- 2. Island / Continent / Mountain / Border (Island, Continent, and Mountain are landforms. Border is a line or boundary.)
- 3. Densely populated / Huge / Famous for / Located (Famous for is a phrase that describes reputation, while the others are adjectives describing size, density, or position.)
- 4. Capital city / Population density / Geographical position / Weather forecast (Capital city, Population density, and Geographical position are all aspects of a place. Weather forecast is about atmospheric conditions.)
- 5. River / Lake / Sea / Border (River, Lake, and Sea are bodies of water. Border is a line or boundary.)
Ответ: 1. River, 2. Border, 3. Famous for, 4. Weather forecast, 5. Border