CoachThe renewable fresh water of a region is the flux of fresh water renewed each year by precipitation, which flows through it as runoff in rivers and as groundwater. It is a flux, in cubic kilometres per year, not a stock.
বইগুলো এখনো বাংলা ভাষায় পাওয়া যায় না — ইংরেজি সংস্করণ দেখানো হচ্ছে।
Earth and Space Sciences · পরিভাষা