Which pH range is suitable for sustaining aquatic biota?

এই অধ্যায়ের আরও প্রশ্ন

• C-02-Q053Surface water is usually —
• C-02-Q054Which of the following is most sensitive to pH changes?
• C-02-Q055In highly acidic water, important elements like calcium are extracted leading to —
• C-02-Q056Why does the national fish hilsha migrate to fresh water during spawning?
• C-02-Q057What is the national fish of Bangladesh?
• C-02-Q058Approximately what percentage of the total water on earth is saline?
• C-02-Q059Precipitation is a kind of —
• C-02-Q060Disruption of the natural water cycle may lead to —
• C-02-Q061In the water cycle, water vapour goes upward and —
• C-02-Q062Sea water cannot be used in industry because —