What is the national fish of Bangladesh?

এই অধ্যায়ের আরও প্রশ্ন

• 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 —
• C-02-Q063Most crops cannot grow with saline water because —
• C-02-Q064Ground water is normally —
• C-02-Q065Which is NOT a method of water purification?
• C-02-Q066Filtration is a process to —
• C-02-Q067In water filtration, water is passed through —