Only 0.0091% of Earth's water is fresh water found in lakes and rivers . This corresponds to a volume of about 2.46 x 10¹⁶ gallons. If there are 8 x 10⁹ people on Earth, and each person uses 100 gallons of water per day, for how many years will this water last? Give your answer to 3 significant figures in decimal notation.

Answer rating: 100% (QA)

To find out how many years the freshwater supply will last we need to ca... View the full answer