Интеллектуальная олимпиада по предмету "Экология" - 2026 проводится

Предмет: Экология
Уровень: XI
Категория: студент
Тестовые вопросы: на английском языке
Пример вопроса: A lake receives acidic drainage from a mine. Which change would most directly threaten its fish populations? Increased turbidity caused by suspended clay, Reduced concentration of dissolved oxygen caused by stronger winds, Lowered pH that disrupts gill function and reproduction, Greater availability of nitrate for aquatic plants