The use of the water footprint concept is becoming more widespread.

Q1: What is the water footprint concept according https://waterfootprint.org/en/ ? (20 points): 20

Q2: Have you discussed the water footprint concept in any of your other university courses? (10 points): 10

Q3: How would you explain the water footprint concept to someone who was unfamiliar with it? (70 points): 70

Your answer of Q3 should be between 150 and 250 words long. Answers that are longer or shorter (even by a word) will be penalized.