DIRECTIONS: Read the passage (s) given below and answer the questions that/allow Passage - 3 Only a small fraction of water available on the earth is fit for use of plants, animals and humans. The total amount of water on earth remains the same, but the water available for use is very limited and is decreasing with over usage. How is it that total amount of water on earth remains same though it is consumed by us forvario us activities on a large scale?