Ninety-seven percent of the water on Earth is salt water; the water found in the Earth’s lakes, rivers, streams, ponds, swamps, etcetera accounts for only…

Ninety-seven percent of the water on Earth is salt water; the water found in the Earth’s lakes, rivers, streams, ponds, swamps, etcetera accounts for only…
Water is deceptive. For while it pours freely from the heavens and seems to flow endlessly in rivers, it’s a finite resource; we only have…
A liter of water weighs 1 kilo; a cubic meter of water weighs 1 tonne. (The rest of the statistics are in imperial units since…